Witherite
Witherite is a mineral with the chemical formula BaCO3. It has a Mohs hardness of 3-3.5 and vitreous to pearly luster.
Witherite properties
| Type | Mineral |
|---|---|
| Chemical formula | BaCO3 |
| Mohs hardness | 3-3.5 |
| Luster | Vitreous to pearly |
| Typical colors | Colorless, white, gray, yellow, or brown |
| Formation | Formed in sedimentary environments, often associated with dolostone and limestone |
| Rarity | 6 / 10 |
Mohs hardness 3–3.5 — soft
1 · Talc5 · Apatite10 · Diamond

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