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cassiterite in British English
(kəˈsɪtəˌraɪt)
noun
a black or brown mineral, found in igneous rocks and hydrothermal veins. It is a source of tin. Composition: tin oxide. Formula: SnO2. Crystal structure: tetragonal
Also called: tinstoneWord origin
C19: from Greek kassiteros tincassiterite in American English
(kəˈsɪtərˌaɪt)
noun
a very hard and heavy, brown or black mineral, tin dioxide, SnO2, the chief ore of tin
Word origin
< Gr kassiteros, tin + -ite1Image ofcassiterite
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