tremolite definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a hard, white to dark-gray, monoclinic amphibole, CaMgSiO(OH), that is closely related to actinolite and found in either fibrous or crystalline form; hydrous calcium magnesium silicate
Origin: after the Tremola valley, in Switzerland, where it was found plush -ite
tremolite definition by American Heritage Dictionary
A white to dark gray amphibole mineral, Ca2Mg5Si8O22(OH)2, typically occurring in aggregates and used as a substitute for asbestos and in paints and ceramics.
Origin: French trémolite, after Tremola, a valley in the Swiss Alps.