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a crystalline rock that can be cut and polished for jewelrytypes:cabochona highly polished gem that is cut convexly but without facetsopaque gema gemstone that is opaquetransparent gema gemstone having the property of transmitting light without serious diffusionchrysoberyla rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstonegarnetany of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasiveopala translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstonesamethysta transparent purple variety of quartz; used as a gemstoneaquamarinea transparent, light blue or bluish-green variety of the mineral beryl, used as a gemstonecat's eyeany of various gems (as chrysoberyl or chalcedony) that reflect light when cut in a rounded shapechrysolitea brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstonechrysoprasea green variety of chalcedony valued as a gemstonecitrinesemiprecious yellow quartz resembling topazcoral, precious coral, red coralthe hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelryemeralda green transparent form of beryl; highly valued as a gemstonejade, jadestonea semiprecious gemstone that takes a high polish; is usually green but sometimes whitish; consists of jadeite or nephritejasperan opaque form of quartz; red or yellow or brown or dark green in color; used for ornamentation or as a gemstonekunzitea pinkish lilac crystal form of the mineral spodumene that is used as a gemstonemoonstonea transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldsparmorganitea kind of pink beryl used as a gemstoneperidota pale green variety of chrysolite; used as a gemstonerubya transparent deep red variety of corundum; used as a gemstone and in laserswater sapphirea deep blue cordierite often used as a gemstonesapphirea precious transparent stone of corundum, typically a rich blue, valued as a gemstonehiddenitea green transparent form of the mineral spodumene used as a gemstonetopaza mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstonetourmalinea mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstonesturquoisea blue to grayish-green mineral consisting of copper aluminum phosphatetype of:crystala solid formed by the solidification of a chemical and having a highly regular atomic structure
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Vocabulary lists containing gemstone
Study this list to review the land features, natural resources, and political structures of countries in Southeast Asia, including Indonesia, Malaysia, and Thailand. Learn about flora such as lemongrass and mangrove, fauna such as the pangolin and the tapir, and weather events like cyclones and typhoons.
Study this list to review the land features, natural resources, and political structures of countries in Southeast Asia, including Indonesia, Malaysia, and Thailand. Learn about flora such as lemongrass and mangrove, fauna such as the pangolin and the tapir, and weather events like cyclones and typhoons.
Study this list to review the land features, natural resources, and political structures of countries in Southeast Asia, including Indonesia, Malaysia, and Thailand. Learn about flora such as lemongrass and mangrove, fauna such as the pangolin and the tapir, and weather events like cyclones and typhoons.