Serpentinite
Serpentinite is a rock with the chemical formula Mg3Si2O5(OH)4. It has a Mohs hardness of 3-4 and greasy to dull luster.
Serpentinite properties
| Type | Rock |
|---|---|
| Chemical formula | Mg3Si2O5(OH)4 |
| Mohs hardness | 3-4 |
| Luster | Greasy to dull |
| Typical colors | Green, black, yellow, or brown |
| Formation | Metamorphic rock formed from the alteration of ultramafic rocks |
| Rarity | 4 / 10 |
Mohs hardness 3–4 — soft
1 · Talc5 · Apatite10 · Diamond
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