Materials
Mineral
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A clay mineral of hydrated magnesium silicate and the softest mineral known: the Mohs hardness scale defines its value 1 as the hardness of talc. It occurs as foliated to fibrous masses with a perfect basal cleavage, and in powdered form it serves as baby powder, a thickening agent and lubricant, and an ingredient in ceramics, paints and cosmetics.
Facts
Formation ClassSheet silicate (phyllosilicate), forming through the metamorphic hydration and alteration of magnesium-rich rocks such as peridotite, pyroxenite and dolomite. 1 Chemical Formula Hardness (Mohs) Cross-Tradition Connections
Associated With
The Mohs scale defines value 1 as the hardness of talc, the softest mineral.
In Discipline
Sources
1. Talc (Wikipedia)
Wikimedia FoundationLead sectionQuote, Lead section
Talc, or talcum, is a clay mineral composed of hydrated magnesium silicate, with the chemical formula Mg3Si4O10(OH)2.
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