M MineralystRock & Mineral Guide
Mineral

Tremolite

Tremolite — reference photo

Tremolite is a mineral with the chemical formula Ca2Mg5Si8O22(OH)2. It has a Mohs hardness of 5 - 6 and vitreous to silky luster.

Tremolite properties

TypeMineral
Chemical formulaCa2Mg5Si8O22(OH)2
Mohs hardness5 - 6
LusterVitreous to silky
Typical colorsWhite, pale green, dark green, gray
FormationMetamorphic rocks, often associated with amphibole minerals
Rarity5 / 10

Mohs hardness 5–6 — fairly hard

1 · Talc5 · Apatite10 · Diamond
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