troostite Hear it!

troostite definition

☆ troost·ite (tro̵̅o̅′stīt′)

noun

a hard, reddish, rhombohedral mineral, (Zn,Mn)SiO, with large crystals, similar to willemite but containing varying amounts of manganese

Etymology: after G. Troost (1776-1850), Am mineralogist + -ite

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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