Coquina
Coquina is a rock. It has a Mohs hardness of 3-4 and dull to weakly glossy luster.
Coquina properties
| Type | Rock |
|---|---|
| Mohs hardness | 3-4 |
| Luster | Dull to weakly glossy |
| Typical colors | Cream, tan, brown, or gray |
| Formation | Formed from the accumulation of broken shell fragments in a marine environment |
| Rarity | 4 / 10 |
Mohs hardness 3–4 — soft
1 · Talc5 · Apatite10 · Diamond
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