Topaz gem produced mainly in granitic pegmatite, gas epithermal type, skarn and alluvial sand deposits. More than 95 percent of the world's Topaz produced in Brazil near the city of Rodrigo Silva Minas Gerais pegmatite, and various varieties of colorless topaz Chromic had births weighing up to 300 kg Transparent Topaz, called the world, now in the possession of Natural History in New York. In addition, Sri Lanka, Russia, China, the United States, Britain, Burma and other countries what is a sham also have Topaz production. China has more than a dozen provinces, Xinjiang, Inner Mongolia, Guangdong and Yunnan have found Topaz.
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