Thesaurus: cassiterite

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1. n. 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.
2. n. a hard heavy dark mineral that is the chief source of tin
3. 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.
4. Native tin dioxide; tin stone; a mineral occurring intetragonal crystals of reddish brown color, and brilliant adamantineluster; also massive, sometimes in compact forms with concentricfibrous structure resembling wood (wood tin), also in rolledfragments or pebbly (Stream tin). It is the chief source of metallictin. See Black tin, under Black.
5. n. a hard heavy dark mineral that is the chief source of tin