Sodalite Group
Sodalite Group is a mineral with the chemical formula Na4Al3Si3O12Cl. It has a Mohs hardness of 5.5-6 and vitreous to greasy luster.
Sodalite Group properties
| Type | Mineral |
|---|---|
| Chemical formula | Na4Al3Si3O12Cl |
| Mohs hardness | 5.5-6 |
| Luster | Vitreous to greasy |
| Typical colors | Typically blue, but can also be gray, white, or colorless |
| Formation | Occurs in igneous and metamorphic rocks, often in nepheline syenites and as an alteration product of plagioclase |
| Rarity | 4 / 10 |
Mohs hardness 5.5–6 — fairly hard
1 · Talc5 · Apatite10 · Diamond
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