Ruby and Sapphire - Identifying Origin - International Gem SocietyThis article covers in great detail the various geographic regions where Ruby and . as well as other metamorphic rock types such as gneiss and schist; also in . Non-gem corundum is abundant throughout the world, but gem material is more.rock corundum ruby crushers 43260461,Corundum: The mineral Corundum, Sapphire, Ruby info & picturesCorundum is best known for its gem varieties, Ruby and Sapphire. .. Salesville, Gallatin Co.; Rock Creek, Granite Co.; and Cottonwood Creek, Deer Lodge Co.rock corundum ruby crushers 43260461,Corundum: Use as a Gemstone, Abrasive, Refractory - GeologyRed corundum is a ruby, blue is a sapphire, any other color is a fancy sapphire. . Corundum is a rock-forming mineral that is found in igneous, metamorphic,.
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