Siltstone
Siltstone is a rock. It has a Mohs hardness of 2-3 on Mohs scale and dull to slightly shiny luster.
Siltstone properties
| Type | Rock |
|---|---|
| Mohs hardness | 2-3 on Mohs scale |
| Luster | Dull to slightly shiny |
| Typical colors | Gray, brown, red, green, or yellow |
| Formation | Forms from the compaction of silt-sized particles, often in environments like riverbeds and floodplains. |
| Rarity | 4 / 10 |
Mohs hardness 2–3 — soft
1 · Talc5 · Apatite10 · Diamond

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