Sugilite
Sugilite is a gemstone with the chemical formula KNa₂(Fe,Mn)₂Li₃Si₁₂O₃₀(OH)₂. It has a Mohs hardness of 5.5 - 6 and vitreous to greasy luster.
Sugilite properties
| Type | Gemstone |
|---|---|
| Chemical formula | KNa₂(Fe,Mn)₂Li₃Si₁₂O₃₀(OH)₂ |
| Mohs hardness | 5.5 - 6 |
| Luster | Vitreous to greasy |
| Typical colors | Purple, lavender, pink, blue |
| Formation | Igneous and metamorphic rocks, typically found in manganese-rich environments |
| Rarity | 7 / 10 |
Mohs hardness 5.5–6 — fairly hard
1 · Talc5 · Apatite10 · Diamond
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