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cassiterite |
Also found in: Wikipedia, Hutchinson | 0.04 sec. |
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cassiterite (kəsĭt`ərīt), heavy, brown-to-black mineral, tin oxide, SnO2, crystallizing in the tetragonal system. It is found as short prismatic crystals and as irregular masses, usually in veins and replacement deposits associated with granites. Since it is hard, heavy, and resistant to weathering, it often concentrates in alluvial deposits derived from cassiterite-bearing rocks. It is the principal ore of tin and is mined in many countries; the most important sources are Malaysia, Thailand, China, Indonesia, Bolivia, and Russia. Except for Bolivia, nearly all of this production is from alluvial deposits. |
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Workers at the site ground up tin ore, heated it in covered crucibles, and removed tin globules that formed during this process. NYSE:SSC) announced today that the initial results of its drilling and sampling program at the newly acquired Pirquitas property in northwest Argentina is confirming evidence of a large disseminated of silver and tin ore body, that could be developed by standard low-cost open pit techniques. discovered tin ore at Goltepe, located In mountains about 500 miles southeast of Ankara, Turkey. |
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