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Summary Of: Topaz
Pure topaz is transparent but is usually tinted by impurities... typical topaz is wine or straw... Topaz is commonly associated with... cavities in rhyolite lava flows like those at Topaz Mountain in western Utah... Some clear topaz crystals from Brazilian pegmatites can reach boulder size and weigh hundreds of pounds... the name topaz was used to refer to any yellow gemstone... it should be borne in mind that topaz is not meant here... Yellow topaz is the traditional November birthstone... Encyclodia Page On: Topaz
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