CASSITERITE

cassiterite

(noun) a hard heavy dark mineral that is the chief source of tin

Source: WordNet® 3.1

Etymology

Noun

cassiterite (countable and uncountable, plural cassiterites)

(mineral) A generally black mineral, composed of tin oxide, SnO₂, which is an important ore of tin.

Synonyms

• stream tin

• tinstone

• wood tin

Source: Wiktionary

Cas*sit"er*ite, n. Etym: [Gr. (Min.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition

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