Cassiterite n. (Min.) Native tin dioxide; tin stone; a mineral occurring in tetragonal crystals of reddish brown color, and brilliant adamantine luster; also massive, sometimes in compact forms with concentric fibrous structure resembling wood (wood tin), also in rolled fragments or pebbly (Stream tin). It is the chief source of metallic tin. See Black tin, under Black.
... of cassiterite (tin ore) and wolframite (tungsten ore), tin, cement, processing of agricultural products, small-scale beverage production, soap, furniture, ... — The 1998 CIA World Factbook • United States. Central Intelligence Agency.
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