Axinite
Axinite is a mineral with the chemical formula Ca2B(OH)Si4O12·3H2O. It has a Mohs hardness of 7 - 7.5 and vitreous to pearly luster.
Axinite properties
| Type | Mineral |
|---|---|
| Chemical formula | Ca2B(OH)Si4O12·3H2O |
| Mohs hardness | 7 - 7.5 |
| Luster | Vitreous to pearly |
| Typical colors | Brown, reddish-brown, green, blue, or colorless |
| Formation | Metamorphic rocks, typically in contact metamorphic environments |
| Rarity | 6 / 10 |
Mohs hardness 7–7.5 — hard
1 · Talc5 · Apatite10 · Diamond
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