Talc
Talc is a mineral with the chemical formula Mg3Si4O10(OH)2. It has a Mohs hardness of 1 (Mohs scale) and silky to greasy luster.
Talc properties
| Type | Mineral |
|---|---|
| Chemical formula | Mg3Si4O10(OH)2 |
| Mohs hardness | 1 (Mohs scale) |
| Luster | Silky to greasy |
| Typical colors | White, green, gray, brown, or colorless |
| Formation | Metamorphic processes, often from the alteration of pyroxenes and micas |
| Rarity | 4 / 10 |
Mohs hardness 1 — very soft
1 · Talc5 · Apatite10 · Diamond
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