Charoite
Charoite is a mineral with the chemical formula KNaCa2Si4O10(OH)·H2O. It has a Mohs hardness of 5 - 6 and vitreous to silk-like luster.
Charoite properties
| Type | Mineral |
|---|---|
| Chemical formula | KNaCa2Si4O10(OH)·H2O |
| Mohs hardness | 5 - 6 |
| Luster | Vitreous to Silk-like |
| Typical colors | Purple, Lavender, White, Grey |
| Formation | Formed from the alteration of other minerals in a metamorphic environment, usually associated with silica-rich rocks. |
| Rarity | 7 / 10 |
Mohs hardness 5–6 — fairly hard
1 · Talc5 · Apatite10 · Diamond
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