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tremolite

noun

  1. calcium and magnesium-rich amphibole mineral
L1321950 on Wikidata ↗

Wiktionary

noun

Etymology: From Tremola San Gottardo in Switzerland, where found, + -ite.

  1. A pale grey/green amphibole mineral, a type of asbestos, that is a mixed calcium and magnesium silicate, with the chemical formula Ca₂Mg₅Si₈O₂₂(OH)₂; sometimes used in place of common asbestos.