Bournonite
Bournonite is a mineral with the chemical formula PbCuSbS3. It has a Mohs hardness of 3 - 3.5 and metallic luster.
Bournonite properties
| Type | Mineral |
|---|---|
| Chemical formula | PbCuSbS3 |
| Mohs hardness | 3 - 3.5 |
| Luster | Metallic |
| Typical colors | Steel gray to black |
| Formation | Typically found in hydrothermal deposits associated with other sulfides. |
| Rarity | 6 / 10 |
Mohs hardness 3–3.5 — soft
1 · Talc5 · Apatite10 · Diamond
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