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Search Result for "pyrophyllite": 
Wordnet 3.0

NOUN (1)

1. a white or greenish aluminum silicate mineral (resembles talc);

The Collaborative International Dictionary of English v.0.48:

Pyrophyllite \Py*roph"yl*lite\, n. [Pyro- + Gr. ? leaf.] (Min.) A mineral, usually of a white or greenish color and pearly luster, consisting chiefly of the hydrous silicate of alumina. [1913 Webster]