| Mineral | Siderite |
|---|---|
| Formula | Fe2+CO3 |
| Crystal Form | Trigonal/Hexagonal Scalenohedral [3 2/m] |
| Cleavage | [1011] Perfect, [1011] Perfect, [1011] Perfect |
| Color | Yellowish brown, Brown, Gray, Yellowish gray, Greenish gray |
| Density | 4.0 g/cm3 |
| Diaphaneity | Translucent to Subtranslucent |
| Fracture | Brittle - Conchoidal |
| Hardness | 3.5 |
| Lustre | Vitreous |
| Streak | White |
| Dana 8 Class | 14.1.1.3 |
| Strunz Class | V/B.02-40 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 81 |