Marble
Marble is a rock with the chemical formula CaCO3. It has a Mohs hardness of 3-4 on Mohs scale and glassy to dull luster.
Marble properties
| Type | Rock |
|---|---|
| Chemical formula | CaCO3 |
| Mohs hardness | 3-4 on Mohs scale |
| Luster | Glassy to dull |
| Typical colors | White, gray, black, green, pink, and various shades |
| Formation | Metamorphosed limestone under heat and pressure |
| Rarity | 4 / 10 |
Mohs hardness 3–4 — soft
1 · Talc5 · Apatite10 · Diamond
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