Tremolite definition

trĕmə-līt
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.
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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.
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(mineralogy) A pale grey/green amphibole mineral that is a mixed calcium and magnesium silicate, with the chemical formula Ca2Mg5Si8O22(OH)2; sometimes used in place of asbestos.
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Origin of tremolite

  • French trémolite after Tremola , a valley in the Swiss Alps

    From American Heritage Dictionary of the English Language, 5th Edition