English dictionary
cassiterite
/k/@/'s/I/t/@/,r/aI/t/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a hard heavy dark mineral that is the chief source of tin
Source: WordNet 3.0
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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 (<i>wood tin</i>), also in rolled fragments or pebbly (<i>Stream tin</i>). It is the chief source of metallic tin. See <u>Black tin</u>, under <u>Black</u>.
Source: webster1913