pyrophyllite Meaning, Definition & Usage

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

WordNet

Py*roph"yl*lite noun
Etymology
Pyro- + Gr. leaf.
Definitions
  1. (Min.) A mineral, usually of a white or greenish color and pearly luster, consisting chiefly of the hydrous silicate of alumina.

Webster 1913