Larimar
Larimar is a gemstone with the chemical formula NaCa(Si4O10)(OH)2·H2O. It has a Mohs hardness of 4.5 - 5 and vitreous to pearly luster.
Larimar properties
| Type | Gemstone |
|---|---|
| Chemical formula | NaCa(Si4O10)(OH)2·H2O |
| Mohs hardness | 4.5 - 5 |
| Luster | Vitreous to pearly |
| Typical colors | Blue, green, white, and brownish |
| Formation | Hydrothermal veins in volcanic rocks |
| Rarity | 7 / 10 |
Mohs hardness 4.5–5 — medium
1 · Talc5 · Apatite10 · Diamond
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