Pegmatite
Pegmatite is a rock. It has a Mohs hardness of Variable, generally 5-7 and glassy to dull luster.
Pegmatite properties
| Type | Rock |
|---|---|
| Mohs hardness | Variable, generally 5-7 |
| Luster | Glassy to dull |
| Typical colors | Typically light-colored (white, pink, or gray) but can vary significantly |
| Formation | Crystallizes from magma in a very slow cooling environment, usually in the late stages of igneous rock formation |
| Rarity | 6 / 10 |
Mohs hardness 5–7 — hard
1 · Talc5 · Apatite10 · Diamond
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