| Mineral | Chalcopyrite |
|---|---|
| Formula | CuFeS2 |
| Crystal Form | Tetragonal/Scalenohedral [4 2m] |
| Cleavage | Poor, Indistinct on {011} |
| Color | Brass yellow, often with iridescent tarnish |
| Density | 4.1 – 4.3 g/cm3 |
| Diaphaneity | Opaque |
| Fracture | Irregular/Uneven |
| Hardness | 3.5 - 4.0 |
| Lustre | Metallic |
| Streak | Greenish black |
| Dana 8 Class | 2.9.1.1 |
| Strunz Class | 2/C.03-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 281 |