A white to dark gray amphibole mineral, Ca2 Mg5 Si8 O22 (OH)2 , typically occurring in aggregates and used as a substitute for asbestos and in paints and ceramics.
A hard, white to dark-gray, monoclinic amphibole, Ca2Mg5Si8O22(OH)2, that is closely related to actinolite and found in either fibrous or crystalline form; hydrous calcium magnesium silicate.
Origin of tremolite
- French trémolite after Tremola , a valley in the Swiss Alps
From American Heritage Dictionary of the English Language, 5th Edition