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Each of these gemstones allows us to provide a clear, documentable path from the mine to your bench; you and your customers can be confident that every one is mined, cut and processed under conditions that meet all standards for worker safety, environmental protection and responsible production.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Tourmaline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Slice\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 11–14mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None (N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7–7.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.624–1.644\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 3.06\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e American Mined, AGTA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50737171464538,"sku":"66351","price":59.49,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/66351.jpg?v=1742181833"},{"product_id":"pala-king-14-17mm-green-tourmaline-slice","title":"Pala King 14–17mm Green Tourmaline Slice","description":"This natural green tourmaline slice is part of an extremely limited supply from the Pala King mine in San Diego, California. The gemstone features the colorful green hues typical of tourmaline and exhibits a unique dark-to-light green ratio from gemstone to gemstone—making each slice truly one-of-a-kind. Each gemstone has a unique shape and variety of color, making it an ideal choice for wire wrapping and custom jewelry designs. Tourmaline is one of the birthstones for October.Gems known as tourmaline generally come from elbaite, one member of the larger tourmaline family of minerals. Tourmaline is hard and usually transparent, with a range of colors coming from trace minerals specific to the source location of each particular gemstone.Rio is proud to offer the American Mined™ Collection, a growing selection of gemstones sourced from mines located here in America. These gemstones consistently present the excellent color, clarity and quality we look for in every gem we offer you. Each of these gemstones allows us to provide a clear, documentable path from the mine to your bench; you and your customers can be confident that every one is mined, cut and processed under conditions that meet all standards for worker safety, environmental protection and responsible production.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Tourmaline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Slice\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 14–17mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None (N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7–7.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.624–1.644\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 3.06\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e American Mined, AGTA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50737174217050,"sku":"66352","price":55.77,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/66352_062014.jpg?v=1742181852"},{"product_id":"amethyst-9-x-7mm-oval-cabochon-aaa-grade","title":"Amethyst 9 x Oval Cabochon, AAA-Grade","description":"\u003cp\u003eThis AAA-grade oval amethyst cabochon is a great choice to use in earrings or in a larger complex design. One of the most popular gemstones for jewelry, AAA-grade amethyst has an eye-catching deep purple color that stands well on its own, or pairs beautifully with a range of other gemstones in various hues. Amethyst is the birthstone for February. Amethyst is the best known and most valuable form of quartz. The color of natural amethyst is caused by iron or manganese compound impurities in the mineral and can range from a watercolor pale pink to a dark, almost opaque, purple. Named for the Greek word for “sober,” amethyst was believed to remedy drunkenness. As a crystal, amethyst is credited with relieving stress and promoting peace of mind.\u003c\/p\u003e","brand":"AGTA","offers":[{"title":"Default Title","offer_id":50737277895002,"sku":"66614","price":17.16,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/66614in.jpg?v=1742183872"},{"product_id":"amethyst-8mm-cushion-sugarloaf-cabochon","title":"Amethyst Cushion Sugarloaf Cabochon","description":"\u003cp\u003eFeaturing an intriguing style, this amethyst sugarloaf cabochon offers a square shape with rounded, pyramid-like sides. The concave edges of this gemstone form cleaner facets and provide a heavier look to the gem. One of the most popular gemstones for jewelry, amethyst has an eye-catching deep purple color that stands well on its own and pairs beautifully with a range of other gems in various hues. This amethyst sugarloaf cabochon is a great choice to use in earrings or in larger complex designs. Amethyst is the birthstone for February.\nAmethyst is the best known and most valuable form of quartz. The color of natural amethyst is caused by iron or manganese compound impurities in the mineral and can range from a watercolor pale pink to a dark, almost opaque, purple. Named for the Greek word for “sober,” amethyst was believed to remedy drunkenness. As a crystal, amethyst is credited with relieving stress and promoting peace of mind.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50737280188762,"sku":"66627","price":60.06,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/66627.jpg?v=1742183944"},{"product_id":"citrine-5mm-cushion-sugarloaf-cabochon","title":"Citrine Cushion Sugarloaf Cabochon","description":"\u003cp\u003eFeaturing an intriguing style and honey-gold hue, this citrine sugarloaf cabochon offers a square shape with rounded, pyramid-like sides. The concave edges of this gemstone form cleaner facets and provide a heavier look to the gem. Use the gemstone individually, in a pair to make earrings or match it with gems of similar or complementary colors for complex designs. Citrine is one of the birthstones for November.\n\nCitrine, although often mistakenly referred to as topaz, belongs to the quartz family. The yellow color of this gemstone is due to the presence of iron in the trigonal crystal structure. Named for its bright citrus color, citrine can present a range of yellow hues, from pale yellow to deep brownish gold. Though gemstone-quality citrine is rare, Rio Grande offers the highest quality citrine available. According to folklore, citrine conveys the power of the sun.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50737370693978,"sku":"66870","price":7.98,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/66870in.jpg?v=1742185751"},{"product_id":"citrine-8mm-cushion-sugarloaf-cabochon","title":"Citrine Cushion Sugarloaf Cabochon","description":"\u003cp\u003eFeaturing an intriguing style and honey-gold hue, this citrine sugarloaf cabochon offers a square shape with rounded, pyramid-like sides. The concave edges of this gemstone form cleaner facets and provide a heavier look to the gem. Use the gemstone individually, in a pair to make earrings or match it with gems of similar or complementary colors for complex designs. Citrine is one of the birthstones for November.\n\nCitrine, although often mistakenly referred to as topaz, belongs to the quartz family. The yellow color of this gemstone is due to the presence of iron in the trigonal crystal structure. Named for its bright citrus color, citrine can present a range of yellow hues, from pale yellow to deep brownish gold. Though gemstone-quality citrine is rare, Rio Grande offers the highest quality citrine available. According to folklore, citrine conveys the power of the sun.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50737371218266,"sku":"66872","price":46.41,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/66872in.jpg?v=1742185772"},{"product_id":"citrine-6mm-cushion-sugarloaf-cabochon","title":"Citrine Cushion Sugarloaf Cabochon","description":"\u003cp\u003eFeaturing an intriguing style and honey-gold hue, this citrine sugarloaf cabochon offers a square shape with rounded, pyramid-like sides. The concave edges of this gemstone form cleaner facets and provide a heavier look to the gem. Use the gemstone individually, in a pair to make earrings or match it with gems of similar or complementary colors for complex designs. Citrine is one of the birthstones for November.\n\nCitrine, although often mistakenly referred to as topaz, belongs to the quartz family. The yellow color of this gemstone is due to the presence of iron in the trigonal crystal structure. Named for its bright citrus color, citrine can present a range of yellow hues, from pale yellow to deep brownish gold. Though gemstone-quality citrine is rare, Rio Grande offers the highest quality citrine available. According to folklore, citrine conveys the power of the sun.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50737371316570,"sku":"66871","price":14.55,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/66871.jpg?v=1742185794"},{"product_id":"kyocera-multi-lavender-crushed-opal-10g","title":"Kyocera Multi-Lavender Crushed Opal, 10g","description":"This colorful Kyocera Multi-Lavender simulated crushed opal is an economical alternative to natural opal for beautiful inlay work. It features attractive flashes of color, adding interest and variety to one-of-a-kind designs.\nKyocera simulated opal is an economical alternative to natural opal. It features many of the characteristic light play of genuine opal but is more durable and easier to work with. Created in a lab and stabilized with plastic, this material should not be exposed to direct heat sources.\nSold in 10-gram packages; pieces range from 1mm to 2mm (approx.).\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice Per Unit:\u003c\/strong\u003e Priced per Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Opal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Pieces\/crushed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e Random pieces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Lab grown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Multi-Lavender\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColorno:\u003c\/strong\u003e OP38\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Imitation (IMIT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 5.5–6.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 1.98–2.25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Kyocera\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50752911442266,"sku":"68980","price":46.48,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/68980.jpg?v=1742335550"},{"product_id":"black-4mm-round-rose-cut-cabochon","title":"Black 4mm Round Rose-Cut Cabochon","description":"Add drama to your designs with the black CZ cabochon. It features an attractive rose-cut that makes it an eye-catching addition to your designs. Combine it with colorful CZs for matched sets or to create bold, multicolor looks.Cubic zirconia is lab-made and is an economical alternative to diamond.A favorite of yesteryear, this rose-cut faceting features a flat base (no pavilion) and a crown made up of triangular facets.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Cubic zirconia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Lab grown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Synthetic (SYN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 8.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 2.15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 5.8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e AGTA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"4mm","offer_id":50752966558042,"sku":"69041","price":8.37,"currency_code":"EUR","in_stock":true},{"title":"5mm","offer_id":50752966590810,"sku":"69311","price":12.08,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/69311in.jpg?v=1742336079"},{"product_id":"red-cz-5mm-round-rose-cut-cabochon","title":"Red CZ 5mm Round Rose-Cut Cabochon","description":"This round CZ cabochon features an attractive rose-cut and delivers a dark red color that makes it an eye-catching addition to your designs. Combine it with colorful CZs for matched sets or to create bold, multicolor looks.Cubic zirconia is lab-made and is an economical alternative to diamond.A favorite of yesteryear, this rose-cut faceting features a flat base (no pavilion) and a crown made up of triangular facets.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice Per Unit:\u003c\/strong\u003e Priced per Pack of 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Cubic zirconia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Lab grown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Synthetic (SYN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 8.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 2.15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 5.8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e AGTA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50752995524954,"sku":"69315","price":19.53,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/69315in.jpg?v=1742336253"},{"product_id":"amethyst-3mm-bullet-cabochon-aa-grade","title":"Amethyst 3mm Bullet Cabochon, AA-Grade","description":"This AA-grade bullet amethyst cabochon is a great choice to use in earrings or in a larger complex design. 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This blue gemstone exhibits a deep, rich blue resulting from superior color saturation without dyes or other treatments. This attractive color makes it a great choice for custom pendant designs—combine it with a variety of gems and other design elements to create mixed-stone matched sets including bracelets, earrings and rings.Lapis lazuli is a metamorphic gem composed of lazurite, pyrite and calcite. It exhibits a shade of blue resulting from the relative color percentages of these minerals. Represented in folklore as a symbol of the starry night, lapis lazuli is said to stimulate the intellect and support wisdom.Compare natural lapis lazuli from Rio Grande with other brands and see the quality difference. It's not unusual to find other sellers offering denim-quality lapis with many inclusions at the higher prices of top-quality lapis lazuli.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice Per Unit:\u003c\/strong\u003e Priced per Pack of 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Lapis lazuli\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 1.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Dark Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None (N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 5–5.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.5–1.67\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.5–3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50754692415834,"sku":"73800","price":26.03,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/73800.jpg?v=1742359573"},{"product_id":"denim-lapis-16-x-12mm-oval-cabochon","title":"Denim Lapis 16 x 12mm Oval Cabochon","description":"Featuring a range of blue colors and various dark and\/or light patterning, this oval denim lapis cabochon—named for its resemblance to denim—is an ideal choice for more casual jewelry designs. Use it by itself to create pendants or earring drops; pair it with an assortment of complementary-color gemstones to create more complex necklace designs. Denim lapis displays a range of blue colors, light to medium, with sometimes extensive white streaking and patterning that is reminiscent of denim jeans. The white veining is due to elevated calcite levels in the gemstone.Lapis lazuli is a metamorphic gem composed of lazurite, pyrite and calcite. It exhibits a shade of blue resulting from the relative color percentages of these minerals. Represented in folklore as a symbol of the starry night, lapis lazuli is said to stimulate the intellect and support wisdom.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice Per Unit:\u003c\/strong\u003e Priced per Pack of 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Lapis lazuli\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 16 x 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Denim Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None (N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 5–5.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.5–1.67\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.5–3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50754743599450,"sku":"85081","price":26.03,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/85081in.jpg?v=1742360363"},{"product_id":"multi-stone-mosaic-25-x-18mm-oval-cabochon","title":"Multi-Stone Mosaic 25 x Oval Cabochon","description":"\u003cp\u003eSet with black onyx and white mother-of-pearl, this oval mosaic cabochon offers a monochromatic appearance. The cab is a perfect centerpiece for a design custom-built around it, especially a pendant or a brooch. Named for its resemblance to the finish and color of pearls, mother-of-pearl cabochons are made from the hard, iridescent material that forms on the inside of some shells and shellfish. It is used for inlay and to create beads, cameos, cabochons, buttons and other ornamental objects. Onyx, a type of opaque chalcedony, is naturally black and is generally dyed to achieve a more uniform color—it is the most common black gemstone and is popular for creating a striking centerpiece and for adding contrast to designs that include lighter and\/or more colorful gems. It is a hard gemstone and takes a high polish; since ancient times, onyx has been a favorite for carving.\u003c\/p\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50754814312794,"sku":"78099","price":45.76,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78099.jpg?v=1742361505"},{"product_id":"black-onyx-20-x-15mm-oval-cabochon","title":"Black Onyx 20 x 15mm Oval Cabochon","description":"Add depth and drama to your jewelry designs with this black onyx oval cabochon. This cab complements any metal and is ideal for one-of-a-kind designs.\n\nOnyx, a type of opaque chalcedony, is naturally black and is generally dyed to achieve a more uniform color—it is the most common black gemstone and is popular for creating a striking centerpiece and for adding contrast to designs that include lighter and\/or more colorful gems. It is a hard gemstone and takes a high polish; since ancient times, onyx has been a favorite for carving.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Onyx\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 20 x 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Dyed (D)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 6.5–7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.53–1.54\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.55–2.7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"20 x 15毫米","offer_id":50754819064154,"sku":"78102","price":22.31,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78102.jpg?v=1742361540"},{"product_id":"american-mined™-nevada-purple-chalcedony-6mm-round-cabochon","title":"American Mined™ Nevada Purple Chalcedony 6mm Round Cabochon","description":"Mined in Oregon, this American Mined™ chalcedony cabochon features a dusty pink to a light lavender color, making each gemstone unique. Its durability makes it ideal for setting in bezel mountings in nearly any style of jewelry. Combine it with complementary-color gemstones to create mixed-gem pendants, rings and bracelets or use it by itself to draw attention to its soft color.A compact microcrystalline quartz, chalcedony (pronounced \"cal-SID-nee\") is a tough, durable gemstone that is ideal for carving, cabochons and beads. Pure chalcedony is white; individual chalcedonies are labeled by the colors that come from trace minerals. Most varieties of chalcedony are dyed to enhance their color.Rio is proud to offer the American Mined™ Collection, a growing selection of gemstones sourced from mines located here in America. These gemstones consistently present the excellent color, clarity and quality we look for in every gem we offer you. Each of these gemstones allows us to provide a clear, documentable path from the mine to your bench; you and your customers can be confident that every one is mined, cut and processed under conditions that meet all standards for worker safety, environmental protection and responsible production.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice Per Unit:\u003c\/strong\u003e Priced per Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Chalcedony\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Light Purple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None (N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 6.5–7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.53–1.54\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.63–2.65\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e American Mined, AGTA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral Source:\u003c\/strong\u003e NEVADA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50754864218458,"sku":"78316","price":37.18,"currency_code":"EUR","in_stock":true}]},{"product_id":"american-mined™-nevada-purple-chalcedony-4mm-round-cabochon","title":"American Mined™ Nevada Purple Chalcedony 4mm Round Cabochon","description":"Mined in Oregon, this American Mined™ chalcedony cabochon features a dusty pink to a light lavender color, making each gemstone unique. Its durability makes it ideal for setting in bezel mountings in nearly any style of jewelry. Combine it with complementary-color gemstones to create mixed-gem pendants, rings and bracelets or use it by itself to draw attention to its soft color.A compact microcrystalline quartz, chalcedony (pronounced \"cal-SID-nee\") is a tough, durable gemstone that is ideal for carving, cabochons and beads. Pure chalcedony is white; individual chalcedonies are labeled by the colors that come from trace minerals. Most varieties of chalcedony are dyed to enhance their color.Rio is proud to offer the American Mined™ Collection, a growing selection of gemstones sourced from mines located here in America. These gemstones consistently present the excellent color, clarity and quality we look for in every gem we offer you. Each of these gemstones allows us to provide a clear, documentable path from the mine to your bench; you and your customers can be confident that every one is mined, cut and processed under conditions that meet all standards for worker safety, environmental protection and responsible production.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice Per Unit:\u003c\/strong\u003e Priced per Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Chalcedony\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Light Purple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None (N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 6.5–7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.53–1.54\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.63–2.65\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e American Mined, AGTA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral Source:\u003c\/strong\u003e NEVADA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50754866708826,"sku":"78314","price":17.65,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78314.jpg?v=1742362352"},{"product_id":"american-mined™-nevada-purple-chalcedony-5mm-round-cabochon","title":"American Mined™ Nevada Purple Chalcedony 5mm Round Cabochon","description":"Mined in Oregon, this American Mined™ chalcedony cabochon features a dusty pink to a light lavender color, making each gemstone unique. 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Its durability makes it ideal for setting in bezel mountings in nearly any style of jewelry. Combine it with complementary-color gemstones to create mixed-gem pendants, rings and bracelets or use it by itself to draw attention to its soft color.A compact microcrystalline quartz, chalcedony (pronounced \"cal-SID-nee\") is a tough, durable gemstone that is ideal for carving, cabochons and beads. Pure chalcedony is white; individual chalcedonies are labeled by the colors that come from trace minerals. Most varieties of chalcedony are dyed to enhance their color.Rio is proud to offer the American Mined™ Collection, a growing selection of gemstones sourced from mines located here in America. These gemstones consistently present the excellent color, clarity and quality we look for in every gem we offer you. 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Its durability makes it ideal for setting in bezel mountings in nearly any style of jewelry. Combine it with complementary-color gemstones to create mixed-gem pendants, rings and bracelets or use it by itself to draw attention to its soft color. A compact microcrystalline quartz, chalcedony (pronounced \"cal-SID-nee\") is a tough, durable gemstone that is ideal for carving, cabochons and beads. Pure chalcedony is white; individual chalcedonies are labeled by the colors that come from trace minerals. Most varieties of chalcedony are dyed to enhance their color. Rio is proud to offer the American Mined™ Collection, a growing selection of gemstones sourced from mines located here in America. These gemstones consistently present the excellent color, clarity and quality we look for in every gem we offer you. Each of these gemstones allows us to provide a clear, documentable path from the mine to your bench; you and your customers can be confident that every one is mined, cut and processed under conditions that meet all standards for worker safety, environmental protection and responsible production.\u003c\/p\u003e","brand":"American Mined, AGTA","offers":[{"title":"Default Title","offer_id":50754883354970,"sku":"78373","price":14.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78373_380886.jpg?v=1763210550"},{"product_id":"american-mined™-nevada-purple-chalcedony-5mm-trillion-cabochon","title":"American Mined™ Nevada Purple Chalcedony 5mm Trillion Cabochon","description":"Mined in Oregon, this American Mined™ chalcedony cabochon features a dusty pink to a light lavender color, making each gemstone unique. Its durability makes it ideal for setting in bezel mountings in nearly any style of jewelry. Combine it with complementary-color gemstones to create mixed-gem pendants, rings and bracelets or use it by itself to draw attention to its soft color.A compact microcrystalline quartz, chalcedony (pronounced \"cal-SID-nee\") is a tough, durable gemstone that is ideal for carving, cabochons and beads. Pure chalcedony is white; individual chalcedonies are labeled by the colors that come from trace minerals. Most varieties of chalcedony are dyed to enhance their color.Rio is proud to offer the American Mined™ Collection, a growing selection of gemstones sourced from mines located here in America. These gemstones consistently present the excellent color, clarity and quality we look for in every gem we offer you. Each of these gemstones allows us to provide a clear, documentable path from the mine to your bench; you and your customers can be confident that every one is mined, cut and processed under conditions that meet all standards for worker safety, environmental protection and responsible production.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice Per Unit:\u003c\/strong\u003e Priced per Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Chalcedony\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Trillion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Light Purple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None (N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 6.5–7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.53–1.54\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.63–2.65\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e American Mined, AGTA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral Source:\u003c\/strong\u003e NEVADA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50754893873498,"sku":"78383","price":21.39,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78383.jpg?v=1742362710"},{"product_id":"american-mined™-nevada-purple-chalcedony-6mm-trillion-cabochon","title":"American Mined™ Nevada Purple Chalcedony 6mm Trillion Cabochon","description":"Mined in Oregon, this American Mined™ chalcedony cabochon features a dusty pink to a light lavender color, making each gemstone unique. Its durability makes it ideal for setting in bezel mountings in nearly any style of jewelry. Combine it with complementary-color gemstones to create mixed-gem pendants, rings and bracelets or use it by itself to draw attention to its soft color.A compact microcrystalline quartz, chalcedony (pronounced \"cal-SID-nee\") is a tough, durable gemstone that is ideal for carving, cabochons and beads. Pure chalcedony is white; individual chalcedonies are labeled by the colors that come from trace minerals. Most varieties of chalcedony are dyed to enhance their color.Rio is proud to offer the American Mined™ Collection, a growing selection of gemstones sourced from mines located here in America. These gemstones consistently present the excellent color, clarity and quality we look for in every gem we offer you. Each of these gemstones allows us to provide a clear, documentable path from the mine to your bench; you and your customers can be confident that every one is mined, cut and processed under conditions that meet all standards for worker safety, environmental protection and responsible production.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice Per Unit:\u003c\/strong\u003e Priced per Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Chalcedony\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Trillion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Light Purple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None (N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 6.5–7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.53–1.54\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.63–2.65\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e American Mined, AGTA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral Source:\u003c\/strong\u003e NEVADA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50754895053146,"sku":"78384","price":33.46,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78384in.jpg?v=1742362733"},{"product_id":"american-mined™-nevada-purple-chalcedony-10-x-8mm-oval-cabochon","title":"American Mined™ Nevada Purple Chalcedony 10 x Oval Cabochon","description":"\u003cp\u003eMined in Nevada, this American Mined™ chalcedony cabochon features a dusty pink to a light lavender color, making each gemstone unique. Its durability makes it ideal for setting in bezel mountings in nearly any style of jewelry. Combine it with complementary-color gemstones to create mixed-gem pendants, rings and bracelets or use it by itself to draw attention to its soft color. A compact microcrystalline quartz, chalcedony (pronounced \"cal-SID-nee\") is a tough, durable gemstone that is ideal for carving, cabochons and beads. Pure chalcedony is white; individual chalcedonies are labeled by the colors that come from trace minerals. Most varieties of chalcedony are dyed to enhance their color. Rio is proud to offer the American Mined™ Collection, a growing selection of gemstones sourced from mines located here in America. These gemstones consistently present the excellent color, clarity and quality we look for in every gem we offer you. Each of these gemstones allows us to provide a clear, documentable path from the mine to your bench; you and your customers can be confident that every one is mined, cut and processed under conditions that meet all standards for worker safety, environmental protection and responsible production.\u003c\/p\u003e","brand":"American Mined, AGTA","offers":[{"title":"Default Title","offer_id":50754900066650,"sku":"78405","price":67.13,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78405_498931.jpg?v=1763377229"},{"product_id":"aquamarine-6mm-cushion-sugarloaf-cabochon","title":"Aquamarine Cushion Sugarloaf Cabochon","description":"\u003cp\u003eThis aquamarine cushion sugarloaf cabochon features a medium-blue color that provides a great color against any metal type, either on its own or partnered with any other gemstone colors. Its relative hardness makes it a great choice for a ring; set it on its own, or pair it with complementary gemstones in blue, green and pastel shades. One of the most intriguing and desirable cabochon styles, sugarloaf cabs are cut to have a rounded, pyramid-like upper surface instead of the typical domed profile; the edges of the pyramid are rounded rather than being sharply angled. In this gemstone, the base is four-sided, like a cushion-cut gem. Combine it with complementary-color gemstones such as amethyst or sapphire to create complex multicolor pendant, earring and ring designs. Aquamarine is the birthstone for March. Aquamarine, a transparent pastel blue to green-blue variety of beryl, is relatively abundant and often completely flawless. The crystal structure is hexagonal with striations along the length of the gemstone. Aquamarine gets its name from the Latin words for water and sea; according to folklore, this gemstone helps protect sailors and calm unruly seas.\u003c\/p\u003e","brand":"AGTA","offers":[{"title":"6mm","offer_id":50754995716442,"sku":"78793","price":11.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78793in_657ce586-74b7-40f4-bcda-a83f21804abb.jpg?v=1778681021"},{"product_id":"pink-tourmaline-4mm-trillion-sugarloaf-cabochon","title":"Pink Tourmaline Trillion Sugarloaf Cabochon","description":"\u003cp\u003eThis pink tourmaline trillion sugarloaf cabochon delivers a medium- to dark-pink color and durability that are an appealing choice for jewelry of all types. One of the most intriguing and desirable cabochon styles, sugarloaf cabs are cut to have a rounded, pyramid-like upper surface instead of the typical domed profile; the edges of the pyramid are rounded rather than being sharply angled. In this gem, the base is three-sided, like a trillion-cut gemstone. Use on its own as an accent, in matched pairs for earrings or combine it with gemstones in complementary colors of reds and purples, such as garnets and amethyst. Tourmaline is one of the birthstones for October.\n\nPink tourmaline derives its color from its manganese content; our pink tourmaline presents a soft, rosy color. This gemstone displays veil-like inclusions. Gems known as tourmaline generally come from elbaite, one member of the larger tourmaline family of minerals. Gem tourmaline is hard and usually transparent, with a range of colors coming from trace minerals specific to the source location of each particular gemstone.\u003c\/p\u003e","brand":"AGTA","offers":[{"title":"Default Title","offer_id":50754995913050,"sku":"78813","price":12.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78813_673737.jpg?v=1763184260"},{"product_id":"american-mined™-mona-lisa-turquoise™-8mm-heart-cabochon","title":"American Mined™ Mona Lisa Turquoise™ 8mm Heart Cabochon","description":"Mona Lisa Turquoise™, mined years ago from the now-long-abandoned Mona Lisa mine in the Porter Mountain Ridge in Arkansas, provides an unexpected treasure trove in its unique look and attractive price point. This turquoise displays a sky-blue turquoise color with a mix of both dark and golden-yellow matrix. The cabochon features a heart shape and is great for bracelets, pendants and earrings. Now being cut to highlight these characteristics, these gemstones feature a one-of-a-kind matrix patterns—the golden color interspersed with the darker tones of the matrix ensures a vibrant and eye-catching addition to your designs. Turquoise is one of the birthstones for December.Turquoise is a soft, opaque gemstone that takes a good polish. The blue color comes from the presence of copper; green tones are provided by iron traces. Natural turquoise is untreated, chemically or otherwise. Treatments for turquoise include electrochemical enhancement to improve color and stabilization with resins that darken and harden the gemstone. Individual types of turquoise are usually named according to their source.Rio is proud to offer the American Mined™ Collection, a growing selection of gemstones sourced from mines located here in America. These gemstones consistently present the excellent color, clarity and quality we look for in every gem we offer you. 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The cabochon features a heart shape is great for bracelets, pendants and earrings. Peridot is one of the birthstones for August.Peridot is the gem form of the mineral olivine and is one of the few gemstones that occurs only in one color. The the green hues can vary from yellowish to brownish green, from light olive green to vibrant green. The color of each gem is a result of iron in its chemical composition.Rio is proud to offer the American Mined™ Collection, a growing selection of gemstones sourced from mines located here in America. These gemstones consistently present the excellent color, clarity and quality we look for in every gem we offer you. Each of these gemstones allows us to provide a clear, documentable path from the mine to your bench; you and your customers can be confident that every one is mined, cut and processed under conditions that meet all standards for worker safety, environmental protection and responsible production.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Peridot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Heart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Medium Green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBirthstone:\u003c\/strong\u003e August\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None (N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 6.5–7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.654–1.69\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 3.27–3.48\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e American Mined, AGTA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral Source:\u003c\/strong\u003e ARIZONA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50755000861018,"sku":"79019","price":44.77,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/79019in.jpg?v=1742364834"},{"product_id":"green-quartz-10mm-round-rose-cut-cabochon","title":"Green Quartz 10mm Round Rose-Cut Cabochon","description":"The spring-like green color of this affordable rose-cut quartz is achieved by irradiating and heating pale Brazilian amethyst. Green quartz is often called green amethyst. Set it in a bezel mounting to make a simple pendant or combine it with complementary-color gemstones to create complex pendant designs as well as matching sets including earrings and bracelets.One of the most common minerals, quartz comes in many varieties and colors. The two main categories are macrocrystalline—which are usually transparent, and crystals are visible—and cryptocrystalline, which appear translucent or opaque. The many varieties of quartz each offer distinct characteristics and, according to folklore, their own powers and purposes.A favorite of yesteryear, this rose-cut faceting features a flat base (no pavilion) and a crown made up of triangular facets.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice Per Unit:\u003c\/strong\u003e Priced per Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Quartz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Heat-treated (H)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.554–1.563\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.64\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e AGTA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50755002990938,"sku":"79107","price":37.18,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/79107in.jpg?v=1742364857"},{"product_id":"green-quartz-8mm-round-rose-cut-cabochon","title":"Green Quartz Round Rose-Cut Cabochon","description":"\u003cp\u003eThe spring-like green color of this affordable rose-cut quartz is achieved by irradiating and heating pale Brazilian amethyst. Green quartz is often called green amethyst. Set it in a bezel mounting to make a simple pendant or combine it with complementary-color gemstones to create complex pendant designs as well as matching sets including earrings and bracelets. One of the most common minerals, quartz comes in many varieties and colors. The two main categories are macrocrystalline—which are usually transparent, and crystals are visible—and cryptocrystalline, which appear translucent or opaque. The many varieties of quartz each offer distinct characteristics and, according to folklore, their own powers and purposes. A favorite of yesteryear, this rose-cut faceting features a flat base (no pavilion) and a crown made up of triangular facets.\u003c\/p\u003e","brand":"AGTA","offers":[{"title":"Default Title","offer_id":50755004006746,"sku":"79106","price":15.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/79106_066880.jpg?v=1763184722"},{"product_id":"copper-rutilated-quartz-8-x-6mm-oval-cabochon","title":"Copper Rutilated Quartz Oval Cabochon","description":"\u003cp\u003eThis oval rutilated quartz cabochon features copper inclusions that vary from gem to gem. Set it in a simple pendant mounting to highlight each gemstone’s unique design or pair it with complementary-color gemstones to create more complex necklace, bracelet and earring designs. Rutilated quartz offers an attractive look for earrings and other designs when you want a unique presentation. Each quartz gemstone has its own unique rutilation pattern, created by inclusions of copper filament. One of the most common minerals, quartz comes in many varieties and colors. The two main categories are macrocrystalline, which are usually transparent and crystals are visible, and cryptocrystalline, which appear translucent or opaque. The many varieties of quartz each offer distinct characteristics and, according to folklore, their own powers and purposes.\u003c\/p\u003e","brand":"AGTA","offers":[{"title":"8 x 6毫米","offer_id":50755022979418,"sku":"79343","price":17.88,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/79343.jpg?v=1742365294"},{"product_id":"korite-ammolite-6-x-4mm-pear-triplet-cabochon","title":"Korite Ammolite 6 x 4mm Pear Triplet Cabochon","description":"Add flashes of bright color to your designs with this pear shaped Korite ammolite triplet cabochon. Use a single cabochon to provide a vivid color to a necklace or earrings, or use multiple gems to create matching sets.The microstructure of the fossilized aragonite shell material that creates ammolite gives the gemstone iridescent flashing colors similar to opal and labradorite. The most common colors are reds and greens, though all visible colors are possible. Because ammolite is usually thin (less that one millimeter), most gem rough is used to produce triplets with a dark backing and a clear cap.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Ammolite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Pear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 6 x 4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Triplet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Multi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Assembled (ASBL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 3.5–4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.52–1.68\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.6–2.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Korite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50755023536474,"sku":"79367","price":37.18,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/79367_856424.jpg?v=1742365309"},{"product_id":"korite-ammolite-8-x-6mm-pear-triplet-cabochon","title":"Korite Ammolite 8 x 6mm Pear Triplet Cabochon","description":"Add flashes of bright color to your designs with this pear shaped Korite ammolite triplet cabochon. Use a single cabochon to provide a vivid color to a necklace or earrings, or use multiple gems to create matching sets.The microstructure of the fossilized aragonite shell material that creates ammolite gives the gemstone iridescent flashing colors similar to opal and labradorite. The most common colors are reds and greens, though all visible colors are possible. Because ammolite is usually thin (less that one millimeter), most gem rough is used to produce triplets with a dark backing and a clear cap.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Ammolite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Pear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 8 x 6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Triplet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Multi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Assembled (ASBL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 3.5–4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.52–1.68\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.6–2.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Korite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50755024355674,"sku":"79369","price":46.48,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/79369in.jpg?v=1742365330"},{"product_id":"korite-ammolite-12-x-8mm-pear-triplet-cabochon","title":"Korite Ammolite 12 x 8mm Pear Triplet Cabochon","description":"Add flashes of bright color to your designs with this pear shaped Korite ammolite triplet cabochon. Use a single cabochon to provide a vivid color to a necklace or earrings, or use multiple gems to create matching sets.The microstructure of the fossilized aragonite shell material that creates ammolite gives the gemstone iridescent flashing colors similar to opal and labradorite. The most common colors are reds and greens, though all visible colors are possible. Because ammolite is usually thin (less that one millimeter), most gem rough is used to produce triplets with a dark backing and a clear cap.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Ammolite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Pear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 12 x 8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Triplet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Multi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Assembled (ASBL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 3.5–4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.52–1.68\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.6–2.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Korite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50755026157914,"sku":"79371","price":74.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/79371in.jpg?v=1742365351"},{"product_id":"korite-ammolite-7-x-5mm-pear-triplet-cabochon","title":"Korite Ammolite 7 x 5mm Pear Triplet Cabochon","description":"Add flashes of bright color to your designs with this pear shaped Korite ammolite triplet cabochon. Use a single cabochon to provide a vivid color to a necklace or earrings, or use multiple gems to create matching sets.The microstructure of the fossilized aragonite shell material that creates ammolite gives the gemstone iridescent flashing colors similar to opal and labradorite. The most common colors are reds and greens, though all visible colors are possible. Because ammolite is usually thin (less that one millimeter), most gem rough is used to produce triplets with a dark backing and a clear cap.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Ammolite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Pear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 7 x 5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Triplet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Multi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Assembled (ASBL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 3.5–4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.52–1.68\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.6–2.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Korite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50755027173722,"sku":"79368","price":46.48,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/79368_501773.jpg?v=1742365371"},{"product_id":"korite-ammolite-9-x-6mm-pear-triplet-cabochon","title":"Korite Ammolite 9 x 6mm Pear Triplet Cabochon","description":"Add flashes of bright color to your designs with this pear shaped Korite ammolite triplet cabochon. Use a single cabochon to provide a vivid color to a necklace or earrings, or use multiple gems to create matching sets.The microstructure of the fossilized aragonite shell material that creates ammolite gives the gemstone iridescent flashing colors similar to opal and labradorite. The most common colors are reds and greens, though all visible colors are possible. Because ammolite is usually thin (less that one millimeter), most gem rough is used to produce triplets with a dark backing and a clear cap.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Ammolite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Shape:\u003c\/strong\u003e Pear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Size:\u003c\/strong\u003e 9 x 6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Type:\u003c\/strong\u003e Triplet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Multi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Assembled (ASBL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 3.5–4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.52–1.68\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.6–2.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Korite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amadesa","offers":[{"title":"Default Title","offer_id":50755027239258,"sku":"79370","price":46.48,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/79370in.jpg?v=1742365392"},{"product_id":"korite-ammolite-14-x-10mm-oval-triplet-cabochon","title":"Korite Ammolite 14 x Oval Triplet Cabochon","description":"\u003cp\u003eAdd flashes of bright color to your designs with this oval Korite ammolite triplet cabochon. Use a single cabochon to provide a vivid color to a necklace or earrings, or use multiple gems to create matching sets. The microstructure of the fossilized aragonite shell material that creates ammolite gives the gemstone iridescent flashing colors similar to opal and labradorite. The most common colors are reds and greens, though all visible colors are possible. Because ammolite is usually thin (less that one millimeter), most gem rough is used to produce triplets with a dark backing and a clear cap.\u003c\/p\u003e","brand":"Korite","offers":[{"title":"Default Title","offer_id":50755036709210,"sku":"79408","price":64.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/79408in.jpg?v=1742365564"},{"product_id":"korite-ammolite-16-x-12mm-oval-triplet-cabochon","title":"Korite Ammolite 16 x Oval Triplet Cabochon","description":"\u003cp\u003eAdd flashes of bright color to your designs with this oval Korite ammolite triplet cabochon. Use a single cabochon to provide a vivid color to a necklace or earrings, or use multiple gems to create matching sets. The microstructure of the fossilized aragonite shell material that creates ammolite gives the gemstone iridescent flashing colors similar to opal and labradorite. The most common colors are reds and greens, though all visible colors are possible. Because ammolite is usually thin (less that one millimeter), most gem rough is used to produce triplets with a dark backing and a clear cap.\u003c\/p\u003e","brand":"Korite","offers":[{"title":"Default Title","offer_id":50755037561178,"sku":"79409","price":79.2,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/79409_710912.jpg?v=1742365586"}],"url":"https:\/\/www.amadesa.com\/zh-cn\/collections\/cabochons-inlay.oembed?page=2","provider":"Amadesa","version":"1.0","type":"link"}