Anorthite
Anorthite is a mineral with the chemical formula CaAl2Si2O8. It has a Mohs hardness of 6 - 6.5 and vitreous to pearly luster.
Anorthite properties
| Type | Mineral |
|---|---|
| Chemical formula | CaAl2Si2O8 |
| Mohs hardness | 6 - 6.5 |
| Luster | Vitreous to pearly |
| Typical colors | White, gray, or light reddish-brown |
| Formation | Commonly found in igneous rocks, especially in plagioclase-rich environments |
| Rarity | 5 / 10 |
Mohs hardness 6–6.5 — fairly hard
1 · Talc5 · Apatite10 · Diamond
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