Travertine
Travertine is a rock with the chemical formula CaCO3. It has a Mohs hardness of 3 - 4 and dull to waxy luster.
Travertine properties
| Type | Rock |
|---|---|
| Chemical formula | CaCO3 |
| Mohs hardness | 3 - 4 |
| Luster | Dull to waxy |
| Typical colors | White, cream, tan, yellow, and red |
| Formation | Forms from the precipitation of calcium carbonate from mineral springs or through evaporation |
| Rarity | 3 / 10 |
Mohs hardness 3–4 — soft
1 · Talc5 · Apatite10 · Diamond
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