Sodalite
Sodalite is a mineral with the chemical formula Na8Al6Si6O24Cl2. It has a Mohs hardness of 5.5 - 6 and vitreous to greasy luster.
Sodalite properties
| Type | Mineral |
|---|---|
| Chemical formula | Na8Al6Si6O24Cl2 |
| Mohs hardness | 5.5 - 6 |
| Luster | Vitreous to greasy |
| Typical colors | Blue, violet, pink, gray |
| Formation | Igneous and metamorphic rocks, typically in sodium-rich environments |
| Rarity | 6 / 10 |
Mohs hardness 5.5–6 — fairly hard
1 · Talc5 · Apatite10 · Diamond
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