| Mineral class | Sulphides : linneite group. |
| Chemical formula | Co3S4 |
| Crystal system | Isometric |
| Habitus | As grainy massive aggregates. Crystals as dipyramides. |
| Cleavage | Imperfect, uneven fracture. |
| Hardness | 4.5-5.5 |
| Density | 4.8 |
| Color | Steel gray, often with reddish violet tarnish when weathered. |
| Streak | Black. |
| Luster | metallic |
| Description | |
| Occurance | |
| Associates | |
| Notes | |
| Locations |
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| To sulphides index. |
Mineral group index. |
Main index. |
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