| Mineral | Jarosite |
|---|---|
| Formula | KFe3+3(SO4)2(OH)6 |
| Crystal Form | Trigonal/Hexagonal Scalenohedral [3 2/m] |
| Cleavage | Distinct on {0001} |
| Color | Amber yellow, Yellow brown, Brown, Light yellow |
| Density | 2.9 – 3.3 g/cm3 |
| Diaphaneity | Translucent |
| Fracture | Irregular/Uneven, Conchoidal |
| Hardness | 2.5 - 3.5 |
| Lustre | Sub-adamantine, Vitreous, Resinous |
| Streak | Pale yellow |
| Dana 8 Class | 30.2.5.1 |
| Strunz Class | 6/B.11-60 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 297 |