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Tremolite - Gemstone
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Tremolite

description Tremolite Overview

Tremolite is a calcium-magnesium amphibole with the ideal formula Ca2Mg5Si8O22(OH)2. It occurs as colorless, white, gray, green, or pink crystals and as compact or fibrous aggregates; the fibrous form is an asbestos mineral and can be a health hazard when its fibers become airborne. Tremolite is chiefly a collector mineral, while fine-grained tremolite-actinolite material can form part of nephrite, one of the materials called jade.

help Tremolite FAQ

What is tremolite made of?

Tremolite is a calcium-magnesium amphibole with the ideal formula Ca2Mg5Si8O22(OH)2. Natural specimens can be colorless, white, gray, green, or pink.

Why can tremolite be a health hazard?

Fibrous tremolite is an asbestos mineral. Its fibers can become hazardous when they are released into the air, so unknown fibrous material should not be cut, crushed, or handled casually.

What does tremolite look like?

Tremolite may form crystals or compact and fibrous aggregates. Its color ranges from colorless and white to gray, green, and pink, depending on the specimen.

Is every tremolite specimen asbestos?

No. Tremolite also occurs as non-fibrous crystals and compact aggregates, while the fibrous form is the asbestos variety. The risk depends on whether respirable fibers can be released.

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