Definitions for: Cassiterite


[n] a hard heavy dark mineral that is the chief source of tin



Webster (1913) Definition: Cas*sit"er*ite, n. [Gr. ? tin.] (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.

See Also: atomic number 50, mineral, Sn, tin

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