Definify.com
Webster 1913 Edition
Cassiterite
Cas-sit′er-ite
,Noun.
[Gr. [GREEK] 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
.