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The gemstone has a saturated pinkish-red color and is mostly opaque, making it an ideal choice for vintage styles and other custom jewelry designs. Ruby is the birthstone for July.\n\nRuby, a variety of corundum classified as a precious gem, is one of the world's most valuable gemstones. With its hardness and durability, ruby is an excellent choice for all types of jewelry. The color of a ruby is due to a trace of chromium in the gemstone; the amount of this substance determines the depth of color. Through the ages, ruby has been considered to be a gem of nobility, credited with engendering sensuality and vitality.\n\nRio 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.\n\nRound-cut gemstones are highly popular and the most commonly available. 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Garnet is the birthstone for January.\n\nTraditional red garnet derives its deep color from iron and magnesium. Garnets are actually a family of closely related gemstones. The most common color is red; but garnets are also found in green, orange, pink and blue. Garnet exhibits few inclusions, and those that are present tend to be rounded, seedlike crystals with irregular edges.\n\nRio 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.\n\nRound-cut gemstones are highly popular and the most commonly available. 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Garnet is the birthstone for January.\n\nTraditional red garnet derives its deep color from iron and magnesium. Garnets are actually a family of closely related gemstones. The most common color is red; but garnets are also found in green, orange, pink and blue. Garnet exhibits few inclusions, and those that are present tend to be rounded, seedlike crystals with irregular edges.\n\nRio 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.\n\nRound-cut gemstones are highly popular and the most commonly available. Rio round gemstones are calibrated for size and hand inspected to ensure maximum attractiveness.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Type:\u003c\/strong\u003e Garnet\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 Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBirthstone:\u003c\/strong\u003e January\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 6.5–7.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClarity:\u003c\/strong\u003e Eye-clean\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.72–1.94\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 3.1–4.3\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 IDAHO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"American Mined, AGTA","offers":[{"title":"Default Title","offer_id":51625696854362,"sku":"88894","price":20.45,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/88894in.jpg?v=1751955565"},{"product_id":"american-mined™-idaho-garnet™-6mm-round-faceted-gemstone","title":"American Mined™ Idaho Garnet™ 6mm Round Faceted Gemstone","description":"Idaho Garnet™ is hand-mined by Clearwater Mining Corporation and features a wine-red to orange-red color and a good play of light, making it an appealing choice for custom jewelry designs of all types. Garnet is the birthstone for January.\n\nTraditional red garnet derives its deep color from iron and magnesium. Garnets are actually a family of closely related gemstones. The most common color is red; but garnets are also found in green, orange, pink and blue. Garnet exhibits few inclusions, and those that are present tend to be rounded, seedlike crystals with irregular edges.\n\nRio 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.\n\nRound-cut gemstones are highly popular and the most commonly available. 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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.\n\nRound-cut gemstones are highly popular and the most commonly available. 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The beads are cut from gem rough found in the mountains of western Montana. Sapphire is the birthstone for September. Sapphire (like ruby) is a gem variety of corundum classified as a precious stone. Sapphire is hard and durable, and is found in a wide range of colors, making it an extremely versatile stone suitable for any form of jewelry. Sapphires in any color other than blue are referred to as 'fancy' sapphires. Sapphire gets its color from titanium and iron oxides; the depth of color depends on the amount of oxides in the stone. In ancient times, some believed that the sky itself was an enormous sapphire into which the Earth was embedded; sapphires are credited in folklore as being sacred, of conveying wisdom, prophecy and divine favor. 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 stone 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. A favorite of yesteryear, this rose-cut faceting features a flat base (no pavilion) and a crown made up of triangular facets. 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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 stone 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. 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The many varieties of quartz each offer distinct characteristics and, according to folklore, their own powers and purposes. The natural transparency of clear crystal quartz makes it an ideal alternative to expensive gemstones or CZs. Clear quartz is highly prized for its perceived ability to dispel negativity and enhance spiritual receptivity; it is considered the preeminent healing crystal due to its ability to magnify or amplify the healing vibrations of other crystals. 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 stone 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. Each package contains one 14\" strand.\u003c\/p\u003e","brand":"American Mined, AGTA","offers":[{"title":"Default Title","offer_id":51625967386970,"sku":"899922","price":116.16,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/899922in.jpg?v=1751958495"},{"product_id":"american-mined™-arkansas-ice-quartz™-6mm-flat-top-heart-cabochon","title":"American Mined™ Arkansas Ice Quartz™ 6mm Flat Top Heart Cabochon","description":"Arkansas Ice Quartz™ is produced in mines located in Blue Springs, Arkansas; the stones display an incredible clarity, a mirror-like luster, unique striations and are found in larger-than-usual sizes. 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Clear quartz is highly prized for its perceived ability to dispel negativity and enhance spiritual receptivity; it's considered the preeminent healing crystal due to its ability to magnify or amplify the healing vibrations of other crystals.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 stone 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 Quartz\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 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 Clear\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 1.535–13539\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 2.58–2.64\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 ARKANSAS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.000 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"American Mined, AGTA","offers":[{"title":"Default Title","offer_id":51625970991450,"sku":"899926","price":5.58,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/899926in.jpg?v=1751958520"},{"product_id":"american-mined™-arkansas-ice-quartz™-8mm-flat-top-heart-cabochon","title":"American Mined™ Arkansas Ice Quartz™ Flat Top Heart Cabochon","description":"\u003cp\u003eArkansas Ice Quartz™ is produced in mines located in Blue Springs, Arkansas; the stones display an incredible clarity, a mirror-like luster, unique striations and are found in larger-than-usual sizes. Their bright clear formation of these crystals makes them a great choice for for a variety of jewelry designs. The cabochon features a heart shape with straight side with a flat top and bottom.\n\nOne of the most common minerals, quartz is found in many varieties and colors. The two main categories are macrocrystalline, which are usually transparent with visible crystals, 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. The natural transparency of clear crystal quartz makes it an ideal alternative to expensive gemstones or CZs. Clear quartz is highly prized for its perceived ability to dispel negativity and enhance spiritual receptivity; it's considered the preeminent healing crystal due to its ability to magnify or amplify the healing vibrations of other crystals. 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 stone 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":51625972859226,"sku":"899927","price":14.3,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/899927_817615.jpg?v=1763542092"},{"product_id":"american-mined™-arkansas-ice-quartz™-10mm-flat-top-heart-cabochon","title":"American Mined™ Arkansas Ice Quartz™ Flat Top Heart Cabochon","description":"\u003cp\u003eArkansas Ice Quartz™ is produced in mines located in Blue Springs, Arkansas; the stones display an incredible clarity, a mirror-like luster, unique striations and are found in larger-than-usual sizes. Their bright clear formation of these crystals makes them a great choice for for a variety of jewelry designs. The cabochon features a heart shape with straight side with a flat top and bottom.\n\nOne of the most common minerals, quartz is found in many varieties and colors. The two main categories are macrocrystalline, which are usually transparent with visible crystals, 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. The natural transparency of clear crystal quartz makes it an ideal alternative to expensive gemstones or CZs. Clear quartz is highly prized for its perceived ability to dispel negativity and enhance spiritual receptivity; it's considered the preeminent healing crystal due to its ability to magnify or amplify the healing vibrations of other crystals. 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 stone 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":51625974890842,"sku":"899928","price":35.75,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/899928_852310.jpg?v=1762598553"},{"product_id":"american-mined™-arkansas-ice-quartz™-8mm-heart-cabochon","title":"American Mined™ Arkansas Ice Quartz™ Heart Cabochon","description":"\u003cp\u003eArkansas Ice Quartz™ is produced in mines located in Blue Springs, Arkansas; the gemstones display an incredible clarity, a mirror-like luster, unique striations and are found in larger-than-usual sizes. Their bright clear formation of these crystals makes them a great choice for for a variety of jewelry designs. The cabochon features a heart shape. One of the most common minerals, quartz is found in many varieties and colors. The two main categories are macrocrystalline, which are usually transparent with visible crystals, 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. The natural transparency of clear crystal quartz makes it an ideal alternative to expensive gemstones or CZs. Clear quartz is highly prized for its perceived ability to dispel negativity and enhance spiritual receptivity; it's considered the preeminent healing crystal due to its ability to magnify or amplify the healing vibrations of other crystals. 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":51625988161882,"sku":"899934","price":19.89,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/899934_523389.jpg?v=1751958645"},{"product_id":"american-mined™-bluebird-turquoise™-round-cabochon","title":"American Mined™ BlueBird Turquoise™ Round Cabochon","description":"\u003cp\u003eBlueBird Turquoise™, mined in Kingman, Arizona, displays a vivid robin's egg blue color with minimal matrix. What little matrix is present tends to be fine and varies from light to dark gray color, making each gemstone unique and ideal for custom designs. Turquoise is one of the birthstones for December.\n\nTurquoise is a soft, opaque gemstone that takes a good polish. The color of this variety comes from the presence of copper. Natural turquoise is untreated, chemically or otherwise. Treatments for turquoise include electrochemical enhancement to improve color and stabilization with resin that darken and harden gemstone. Individual types of turquoise are usually named according to their source.\n\nRio 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":"4mm","offer_id":52649653961050,"sku":"88866","price":9.66,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/88866in3.jpg?v=1762325884"},{"product_id":"american-mined™-oregon-schiller-sunstone™-hexagon-faceted-gemstone","title":"American Mined™ Oregon Schiller Sunstone™ Hexagon Faceted Gemstone","description":"\u003cp\u003eMined in the Pacific Northwest, this hexagon-cut American MIned™ Oregon Schiller Sunstone™ brings an unusual shape, an exciting orange\/peach\/pink color and a rich presentation of the sunstone's signature Schiller effect (shimmer) to all types of jewelry designs. Mined in Oregon, this sunstone displays an active aventurescence (another term for the Schiller effect) created by the presence of several metal elements caught within the crystalline structure. Set a single gemstone in a simple ring, match it with gems of similar or complementary colors, or use a pair to make earrings.\n\nThis variety of sunstone is a plagioclase feldspar composed of a mixture of calcium and sodium. The relative hardness of sunstone makes it best suited for jewelry items that do not see heavy wear, such as pendants, earrings or brooches.\n\nThe hexagon is cut is a modified brilliant featuring large facets and step cuts along the six equal sides of the girdle.\n\nRio 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":"5mm","offer_id":52666835140954,"sku":"78521","price":17.16,"currency_code":"EUR","in_stock":false},{"title":"6mm","offer_id":52666835173722,"sku":"78528","price":34.32,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78528in2.jpg?v=1763096229"},{"product_id":"american-mined™-arkansas-ice-quartz™-hexagon-faceted-gemstones-aaa-grade","title":"American Mined™ Arkansas Ice Quartz™ Hexagon Faceted Gemstones, AAA-Grade","description":"\u003cp\u003eThis hexagon-cut American MIned™ Arkansas Ice quartz brings an unusual shape and a bright play of light to all types of jewelry designs. Produced in mines located in Blue Springs, Arkansas, the gemstone displays an incredible clarity, a mirror-like luster, unique striations and are found in larger-than-usual sizes. Set a single gemstone in a simple ring, match it with gems of similar or complementary colors, or use a pair to make earrings. This gemstone shows the superior cut, clarity and active scintillation required to be classified as a top-quality AAA-grade gemstone.\n\nOne of the most common minerals, quartz is found in many varieties and colors. The two main categories are macrocrystalline, which are usually transparent with visible crystals, 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. The natural transparency of clear crystal quartz makes it an ideal alternative to expensive gemstones or CZs. Clear quartz is highly prized for its perceived ability to dispel negativity and enhance spiritual receptivity; it is considered the preeminent healing crystal due to its ability to magnify or amplify the healing vibrations of other crystals.\n\nThe hexagon is cut is a modified brilliant featuring large facets and step cuts along the six equal sides of the girdle.\n\nRio 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":"5mm","offer_id":52666838155610,"sku":"78522","price":14.3,"currency_code":"EUR","in_stock":false},{"title":"6mm","offer_id":52666838188378,"sku":"78529","price":20.02,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78529in1.jpg?v=1763096267"},{"product_id":"american-mined™-arizona-peridot-hexagon-faceted-gemstone","title":"American Mined™ Arizona Peridot Hexagon Faceted Gemstone","description":"\u003cp\u003eThis hexagon-cut American MIned™ Arizona peridot brings an unusual shape, an appealing green color and a clarity that makes it perfect for all kinds of jewelry. Peridot is one of the birthstones for August. Set a single gemstone in a simple ring, match it with gems of similar or complementary colors, or use a pair to make earrings. \n\nPeridot 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.\n\nThe hexagon is cut is a modified brilliant featuring large facets and step cuts along the six equal sides of the girdle.\n\nRio 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":"5mm","offer_id":52666841203034,"sku":"78523","price":17.16,"currency_code":"EUR","in_stock":false},{"title":"6mm","offer_id":52666841235802,"sku":"78530","price":34.32,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78523_955116.jpg?v=1762467549"},{"product_id":"american-mined™-san-diego-tourmaline™-oval-cabochon","title":"American Mined™ San Diego Tourmaline™ Oval Cabochon","description":"\u003cp\u003eCut from gem rough found the San Diego County, San Diego Torumaline™ has a soft pink color that looks great in a variety of jewelry designs. Tourmaline is one of the birthstones for October.\n\nGems 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.\n\nRio 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":"6 x 4мм","offer_id":52671959171418,"sku":"66112","price":73.92,"currency_code":"EUR","in_stock":false},{"title":"7 x 5мм","offer_id":52671959204186,"sku":"66113","price":73.92,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/66112in.jpg?v=1763142567"},{"product_id":"american-mined™-arizona-turquoise-round-cabochon","title":"American Mined™ Arizona Turquoise Round Cabochon","description":"\u003cp\u003eWith the Sleeping Beauty mine long closed and authentic rough increasingly difficult to source—this American Mined™ Arizona turquoise cabochon, mined in nearby Arizona regions, offers the same classic sky-blue hue and minimal matrix that pairs perfectly with warm gold or cool silver tones. Arizona turquoise has been enhanced using electrochemical treatments to make the color permanent. Turquoise is one of the birthstones for December.\n\nTurquoise is a soft, opaque gemstone that takes a good polish. Its sky blue color comes from the presence of copper; green tones are provided by iron traces. Turquoise sometimes has a rock matrix and varying shades of gray, brown or black veining due to inclusions or oxide stains.\n\nRio 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":"1.5mm","offer_id":52672004948314,"sku":"666000","price":24.31,"currency_code":"EUR","in_stock":false},{"title":"2mm","offer_id":52672004981082,"sku":"666001","price":25.03,"currency_code":"EUR","in_stock":false},{"title":"2.5mm","offer_id":52672005013850,"sku":"666002","price":25.03,"currency_code":"EUR","in_stock":false},{"title":"3mm","offer_id":52672005046618,"sku":"666003","price":25.03,"currency_code":"EUR","in_stock":false},{"title":"3.5mm","offer_id":52672005079386,"sku":"666004","price":29.32,"currency_code":"EUR","in_stock":false},{"title":"4mm","offer_id":52672005112154,"sku":"666005","price":17.88,"currency_code":"EUR","in_stock":false},{"title":"5mm","offer_id":52672005144922,"sku":"666006","price":17.88,"currency_code":"EUR","in_stock":false},{"title":"6mm","offer_id":52672005177690,"sku":"666007","price":25.03,"currency_code":"EUR","in_stock":false},{"title":"8mm","offer_id":52672005210458,"sku":"666008","price":44.33,"currency_code":"EUR","in_stock":false},{"title":"10mm","offer_id":52672005243226,"sku":"666009","price":79.2,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/666000_606047.jpg?v=1763130304"},{"product_id":"american-mined™-montana-sapphire™-round-cabochon","title":"American Mined™ Montana Sapphire™ Round Cabochon","description":"\u003cp\u003eMontana Sapphire™ is cut from gem rough found in the mountains of western Montana; this round cabochon displays an attractive blue-green color and is an ideal addition to custom jewelry designs. Sapphire is the birthstone for September. Sapphire (like ruby) is a gem variety of corundum classified as a precious gemstone. Sapphire is hard and durable, and is found in a wide range of colors, making it an extremely versatile gemstone suitable for any form of jewelry. Sapphires in any color other than blue are referred to as 'fancy' sapphires. Sapphire gets its color from titanium and iron oxides; the depth of color depends on the amount of oxides in the gemstone. In ancient times, some believed that the sky itself was an enormous sapphire into which the Earth was embedded; sapphires are credited in folklore as being sacred, of conveying wisdom, prophecy and divine favor. 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":"1.5mm","offer_id":52672267845978,"sku":"899960","price":23.4,"currency_code":"EUR","in_stock":false},{"title":"2mm","offer_id":52672267878746,"sku":"899961","price":28.6,"currency_code":"EUR","in_stock":false},{"title":"2.5mm","offer_id":52672267911514,"sku":"899962","price":39.33,"currency_code":"EUR","in_stock":false},{"title":"3mm","offer_id":52672267944282,"sku":"899907","price":14.3,"currency_code":"EUR","in_stock":false},{"title":"4mm","offer_id":52672267977050,"sku":"899908","price":44.2,"currency_code":"EUR","in_stock":false},{"title":"5mm","offer_id":52672268009818,"sku":"899909","price":78.0,"currency_code":"EUR","in_stock":false},{"title":"6mm","offer_id":52672268042586,"sku":"899910","price":166.75,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/899907in.jpg?v=1763069887"},{"product_id":"american-mined™-san-diego-tourmaline™-round-cabochon","title":"American Mined™ San Diego Tourmaline™ Round Cabochon","description":"\u003cp\u003eCut from gem rough found the San Diego County, San Diego Torumaline™ has a soft pink color that looks great in a variety of jewelry designs. Tourmaline is one of the birthstones for October.\n\nGems 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.\n\nRio 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":"1.5mm","offer_id":52672687210842,"sku":"66103","price":17.16,"currency_code":"EUR","in_stock":false},{"title":"2mm","offer_id":52672687243610,"sku":"66104","price":35.75,"currency_code":"EUR","in_stock":false},{"title":"2.5mm","offer_id":52672687309146,"sku":"66105","price":41.47,"currency_code":"EUR","in_stock":false},{"title":"3mm","offer_id":52672687341914,"sku":"66106","price":13.95,"currency_code":"EUR","in_stock":false},{"title":"5mm","offer_id":52672687374682,"sku":"66108","price":58.63,"currency_code":"EUR","in_stock":false},{"title":"6mm","offer_id":52672687407450,"sku":"66109","price":81.84,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/66104.jpg?v=1763110972"},{"product_id":"american-mined™-bluebird-turquoise™-oval-cabochon","title":"American Mined™ BlueBird Turquoise™ Oval Cabochon","description":"\u003cp\u003eBlueBird Turquoise™, mined in Kingman, Arizona, displays a vivid robin's egg blue color with minimal matrix. What little matrix is present tends to be fine and varies from light to dark gray color, making each gemstone unique and ideal for custom designs. Turquoise is one of the birthstones for December.\n\nTurquoise is a soft, opaque gemstone that takes a good polish. The color of this variety comes from the presence of copper. Natural turquoise is untreated, chemically or otherwise. Treatments for turquoise include electrochemical enhancement to improve color and stabilization with resin that darken and harden gemstone. Individual types of turquoise are usually named according to their source.\n\nRio 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":"9 x 7мм","offer_id":52672829849946,"sku":"88870","price":37.18,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/88871_262020.jpg?v=1763141697"},{"product_id":"american-mined™-oregon-schiller-sunstone™-round-faceted-gemstone","title":"American Mined™ Oregon Schiller Sunstone™ Round Faceted Gemstone","description":"\u003cp\u003eMined in the Pacific Northwest, this round-cut American Mined™ Oregon Schiller Sunstone™ brings an exciting orange\/peach\/pink color and a rich presentation of the sunstone's signature Schiller effect (shimmer) to all types of jewelry designs. match it with gems of similar or complementary colors, or use a pair to make earrings.\n\nSunstone is an orthoclase feldspar, which contains potassium and displays a brilliant spangled appearance, making it a popular choice as a gemstone. This spangled look, called the 'schiller' effect is caused by small, flat reflective inclusions that align themselves along the mineral structure.\n\nRound-cut gemstones are highly popular and the most commonly available. Rio round gemstones are calibrated for size and hand inspected to ensure maximum attractiveness.\n\nRio 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":"6mm","offer_id":52672955580762,"sku":"78593","price":40.04,"currency_code":"EUR","in_stock":false},{"title":"8mm","offer_id":52672955613530,"sku":"78594","price":40.04,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78593in.jpg?v=1763115153"},{"product_id":"american-mined™-montana-sapphire™-oval-rose-cut-cabochon","title":"American Mined™ Montana Sapphire™ Oval Rose-Cut Cabochon","description":"\u003cp\u003eMontana Sapphire™ is cut from gem rough found in the mountains of western Montana; this oval rose-cut cabochon displays an attractive blue-green color and is an ideal addition to custom jewelry designs. Sapphire is the birthstone for September. Sapphire (like ruby) is a gem variety of corundum classified as a precious gemstone. Sapphire is hard and durable, and is found in a wide range of colors, making it an extremely versatile gemstone suitable for any form of jewelry. Sapphires in any color other than blue are referred to as 'fancy' sapphires. Sapphire gets its color from titanium and iron oxides; the depth of color depends on the amount of oxides in the gemstone. In ancient times, some believed that the sky itself was an enormous sapphire into which the Earth was embedded; sapphires are credited in folklore as being sacred, of conveying wisdom, prophecy and divine favor. 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. 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":"American Mined, AGTA","offers":[{"title":"6x4mm","offer_id":52675187867994,"sku":"899905","price":46.8,"currency_code":"EUR","in_stock":false},{"title":"7 x 5мм","offer_id":52675187900762,"sku":"899906","price":132.25,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/899905in.jpg?v=1763113356"},{"product_id":"american-mined™-oregon-red-jasper-16mm-round-cabochon","title":"American Mined™ Oregon Red Jasper Round Cabochon","description":"\u003cp\u003eThis American Mined™ Oregon jasper cabochon features a banded pattern with red colors. The pattern varies greatly, making each one unique and ideal for your custom jewelry designs. Jasper is an opaque form of chalcedony. It is most commonly found in red due to iron inclusions, but can also be found in yellow, brown, green and rarely blue. 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":52675221127514,"sku":"87204","price":40.04,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/87204in.jpg?v=1763428002"},{"product_id":"american-mined™-arizona-turquoise-pear-cabochon","title":"American Mined™ Arizona Turquoise Pear Cabochon","description":"\u003cp\u003eWith the Sleeping Beauty mine long closed and authentic rough increasingly difficult to source—this American Mined™ Arizona turquoise cabochon, mined in nearby Arizona regions, offers the same classic sky-blue hue and minimal matrix that pairs perfectly with warm gold or cool silver tones. Arizona turquoise has been enhanced using electrochemical treatments to make the color permanent. Turquoise is one of the birthstones for December.\n\nTurquoise is a soft, opaque gemstone that takes a good polish. Its sky blue color comes from the presence of copper; green tones are provided by iron traces. Turquoise sometimes has a rock matrix and varying shades of gray, brown or black veining due to inclusions or oxide stains.\n\nRio 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":"7 x 5мм","offer_id":52675232923994,"sku":"666020","price":38.26,"currency_code":"EUR","in_stock":false},{"title":"8 x 5мм","offer_id":52675232956762,"sku":"666021","price":22.53,"currency_code":"EUR","in_stock":false},{"title":"9 x 6мм","offer_id":52675232989530,"sku":"666022","price":22.53,"currency_code":"EUR","in_stock":false},{"title":"10 x 7мм","offer_id":52675233022298,"sku":"666023","price":38.26,"currency_code":"EUR","in_stock":false},{"title":"12 x 8мм","offer_id":52675233055066,"sku":"666024","price":65.43,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/666020_503714.jpg?v=1763195309"},{"product_id":"american-mined™-arizona-turquoise-oval-cabochon","title":"American Mined™ Arizona Turquoise Oval Cabochon","description":"\u003cp\u003eWith the Sleeping Beauty mine long closed and authentic rough increasingly difficult to source—this American Mined™ Arizona turquoise cabochon, mined in nearby Arizona regions, offers the same classic sky-blue hue and minimal matrix that pairs perfectly with warm gold or cool silver tones. Arizona turquoise has been enhanced using electrochemical treatments to make the color permanent. Turquoise is one of the birthstones for December.\n\nTurquoise is a soft, opaque gemstone that takes a good polish. Its sky blue color comes from the presence of copper; green tones are provided by iron traces. Turquoise sometimes has a rock matrix and varying shades of gray, brown or black veining due to inclusions or oxide stains.\n\nRio 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":"5 x 3мм","offer_id":52675239510362,"sku":"666030","price":16.09,"currency_code":"EUR","in_stock":false},{"title":"6 x 4мм","offer_id":52675239543130,"sku":"666031","price":16.09,"currency_code":"EUR","in_stock":false},{"title":"7 x 5мм","offer_id":52675239575898,"sku":"666032","price":18.95,"currency_code":"EUR","in_stock":false},{"title":"8 x 6мм","offer_id":52675239608666,"sku":"666033","price":22.53,"currency_code":"EUR","in_stock":false},{"title":"10 x 5мм","offer_id":52675239641434,"sku":"666034","price":27.89,"currency_code":"EUR","in_stock":false},{"title":"10 x 8мм","offer_id":52675239674202,"sku":"666035","price":45.05,"currency_code":"EUR","in_stock":false},{"title":"12 x 10мм","offer_id":52675239739738,"sku":"666036","price":97.02,"currency_code":"EUR","in_stock":false},{"title":"14 x 10мм","offer_id":52675239772506,"sku":"666037","price":114.18,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/666030in.jpg?v=1763195393"},{"product_id":"american-mined™-teal-montana-sapphire™-round-faceted-gemstone","title":"American Mined™ Teal Montana Sapphire™ Round Faceted Gemstone","description":"\u003cp\u003eTeal Montana Sapphire™ is cut from gem rough found in the mountains of western Montana; this gemstone displays an attractive blue-green color and is an ideal addition to custom jewelry designs. Sapphire is the birthstone for September.\n\nSapphire (like ruby) is a gem variety of corundum classified as a precious gemstone. Sapphire is hard and durable, and is found in a wide range of colors, making it an extremely versatile gemstone suitable for any form of jewelry. Sapphires in any color other than blue are referred to as 'fancy' sapphires. Sapphire gets its color from titanium and iron oxides; the depth of color depends on the amount of oxides in the gemstone. In ancient times, some believed that the sky itself was an enormous sapphire into which the Earth was embedded; sapphires are credited in folklore as being sacred, of conveying wisdom, prophecy and divine favor.\n\nRio 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.\n\nRound-cut gemstones are highly popular and the most commonly available. Rio round gemstones are calibrated for size and hand inspected to ensure maximum attractiveness.\u003c\/p\u003e","brand":"American Mined, AGTA","offers":[{"title":"2mm","offer_id":52675492839770,"sku":"88423","price":10.72,"currency_code":"EUR","in_stock":false},{"title":"2.5mm","offer_id":52675492872538,"sku":"88424","price":21.45,"currency_code":"EUR","in_stock":false},{"title":"3mm","offer_id":52675492905306,"sku":"88425","price":16.25,"currency_code":"EUR","in_stock":false},{"title":"3.5mm","offer_id":52675492938074,"sku":"88426","price":30.55,"currency_code":"EUR","in_stock":false},{"title":"4mm","offer_id":52675492970842,"sku":"88427","price":60.45,"currency_code":"EUR","in_stock":false},{"title":"5mm","offer_id":52675493003610,"sku":"88428","price":21.45,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/88426in1.jpg?v=1763069290"},{"product_id":"american-mined™-montana-sapphire™-round-rose-cut-cabochon","title":"American Mined™ Montana Sapphire™ Round Rose-Cut Cabochon","description":"\u003cp\u003eMontana Sapphire™ is cut from gem rough found in the mountains of western Montana; this round rose-cut cabochon displays an attractive blue-green color and is an ideal addition to custom jewelry designs. Sapphire is the birthstone for September. Sapphire (like ruby) is a gem variety of corundum classified as a precious gemstone. Sapphire is hard and durable, and is found in a wide range of colors, making it an extremely versatile gemstone suitable for any form of jewelry. Sapphires in any color other than blue are referred to as 'fancy' sapphires. Sapphire gets its color from titanium and iron oxides; the depth of color depends on the amount of oxides in the gemstone. In ancient times, some believed that the sky itself was an enormous sapphire into which the Earth was embedded; sapphires are credited in folklore as being sacred, of conveying wisdom, prophecy and divine favor. 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. 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":"American Mined, AGTA","offers":[{"title":"3mm","offer_id":52675494183258,"sku":"899901","price":13.0,"currency_code":"EUR","in_stock":false},{"title":"4mm","offer_id":52675494216026,"sku":"899902","price":32.5,"currency_code":"EUR","in_stock":false},{"title":"5mm","offer_id":52675494248794,"sku":"899903","price":80.7,"currency_code":"EUR","in_stock":false},{"title":"6mm","offer_id":52675494281562,"sku":"899904","price":156.97,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/899901_788373.jpg?v=1763113314"},{"product_id":"american-mined™-oregon-schiller-sunstone™-oval-faceted-gemstone","title":"American Mined™ Oregon Schiller Sunstone™ Oval Faceted Gemstone","description":"\u003cp\u003eMined in the Pacific Northwest, this oval-cut American Mined™ Oregon Schiller Sunstone™ brings an exciting orange\/peach\/pink color and a rich presentation of the sunstone's signature Schiller effect (shimmer) to all types of jewelry designs. match it with gems of similar or complementary colors, or use a pair to make earrings.\n\nSunstone is an orthoclase feldspar, which contains potassium and displays a brilliant spangled appearance, making it a popular choice as a gemstone. This spangled look, called the 'schiller' effect is caused by small, flat reflective inclusions that align themselves along the mineral structure.\n\nRio 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.\n\nThe oval cut is an even, symmetrical shape but elongated. The arrangement of its facets is similar to that of a round brilliant, designed to maximize light and color.\u003c\/p\u003e","brand":"American Mined, AGTA","offers":[{"title":"8 x 6мм","offer_id":52675538911578,"sku":"78596","price":54.34,"currency_code":"EUR","in_stock":false},{"title":"10 x 8мм","offer_id":52675538944346,"sku":"78598","price":54.34,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78596_043766.jpg?v=1763188881"},{"product_id":"american-mined™-oregon-schiller-sunstone™-princess-faceted-gemstone","title":"American Mined™ Oregon Schiller Sunstone™ Princess Faceted Gemstone","description":"\u003cp\u003eMined in the Pacific Northwest, this princess-cut American Mined™ Oregon Schiller Sunstone™ brings an exciting orange\/peach\/pink color and a rich presentation of the sunstone's signature Schiller effect (shimmer) to all types of jewelry designs. match it with gems of similar or complementary colors, or use a pair to make earrings.\n\nSunstone is an orthoclase feldspar, which contains potassium and displays a brilliant spangled appearance, making it a popular choice as a gemstone. This spangled look, called the 'schiller' effect is caused by small, flat reflective inclusions that align themselves along the mineral structure.\n\nRio 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.\n\nThe princess cut creates a square gemstone and requires a greater depth in order to achieve the desired brilliance.\u003c\/p\u003e","brand":"American Mined, AGTA","offers":[{"title":"4mm","offer_id":52675539403098,"sku":"78599","price":11.44,"currency_code":"EUR","in_stock":false},{"title":"6mm","offer_id":52675539435866,"sku":"78700","price":17.16,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/78599in.jpg?v=1762582971"},{"product_id":"american-mined™-teal-montana-sapphire™-cushion-faceted-gemstone","title":"American Mined™ Teal Montana Sapphire™ Cushion Faceted Gemstone","description":"\u003cp\u003eTeal Montana Sapphire™ is cut from gem rough found in the mountains of western Montana; this gemstone displays an attractive blue-green color and is an ideal addition to custom jewelry designs. Sapphire is the birthstone for September.\n\nSapphire (like ruby) is a gem variety of corundum classified as a precious gemstone. Sapphire is hard and durable, and is found in a wide range of colors, making it an extremely versatile gemstone suitable for any form of jewelry. Sapphires in any color other than blue are referred to as 'fancy' sapphires. Sapphire gets its color from titanium and iron oxides; the depth of color depends on the amount of oxides in the gemstone. In ancient times, some believed that the sky itself was an enormous sapphire into which the Earth was embedded; sapphires are credited in folklore as being sacred, of conveying wisdom, prophecy and divine favor.\n\nRio 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.\n\nThe cushion cut is a classic style; it combines features of the oval cut with a deep cut and large facets.\u003c\/p\u003e","brand":"American Mined, AGTA","offers":[{"title":"3mm","offer_id":52675540386138,"sku":"88258","price":23.07,"currency_code":"EUR","in_stock":false},{"title":"4mm","offer_id":52675540418906,"sku":"88270","price":86.4,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/88258in.jpg?v=1763111562"},{"product_id":"american-mined™-oregon-schiller-sunstone™-elongated-hexagon-faceted-gemstone","title":"American Mined™ Oregon Schiller Sunstone™ Elongated Hexagon Faceted Gemstone","description":"\u003cp\u003eTwo elongated sides on this hexagon-cut American Mined™ Oregon Schiller Sunstone™ give it an unusual shape that is well suited to your custom jewelry designs. The gemstone displays an exciting orange\/peach\/pink color and a rich presentation of the sunstone's signature Schiller effect (shimmer) to all types of jewelry designs. Mined in Oregon, this sunstone displays an active aventurescence (another term for the Schiller effect) created by the presence of several metal elements caught within the crystalline structure. This variety of sunstone is a plagioclase feldspar composed of a mixture of calcium and sodium. The relative hardness of sunstone makes it best suited for jewelry items that do not see heavy wear, such as pendants, earrings or brooches. 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. The elongated hexagon is cut is a modified brilliant featuring large facets and step cuts along the six sides of the girdle.\u003c\/p\u003e","brand":"American Mined, AGTA","offers":[{"title":"7 x 5мм","offer_id":52675541238106,"sku":"899917","price":30.03,"currency_code":"EUR","in_stock":false},{"title":"8 x 6мм","offer_id":52675541270874,"sku":"899918","price":30.03,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/899917in.jpg?v=1763115234"},{"product_id":"american-mined™-oregon-schiller-sunstone™-barrel-cut-emerald-cut-faceted-gemstone","title":"American Mined™ Oregon Schiller Sunstone™ Barrel-Cut Emerald-Cut Faceted Gemstone","description":"\u003cp\u003eMined in the Pacific Northwest, this barrel-cut emerald-cut American Mined™ Oregon Schiller Sunstone™ brings an exciting orange\/peach\/pink color and a rich presentation of the sunstone's signature Schiller effect (shimmer) to all types of jewelry designs. match it with gems of similar or complementary colors, or use a pair to make earrings. Sunstone is an orthoclase feldspar, which contains potassium and displays a brilliant spangled appearance, making it a popular choice as a gemstone. This spangled look, called the 'schiller' effect is caused by small, flat reflective inclusions that align themselves along the mineral structure. 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. A variation of the octagon or emerald-cut, the barrel-cut has a rectangle shape and cut corners with parallel facets on the table.\u003c\/p\u003e","brand":"American Mined, AGTA","offers":[{"title":"7 x 5мм","offer_id":52675541795162,"sku":"899919","price":30.03,"currency_code":"EUR","in_stock":false},{"title":"8 x 6мм","offer_id":52675541827930,"sku":"899920","price":35.75,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/899919in.jpg?v=1763115079"}],"url":"https:\/\/www.amadesa.com\/ru-ru\/collections\/american-mined-agta.oembed?page=2","provider":"Amadesa","version":"1.0","type":"link"}