| Mineral | Lahnsteinite |
|---|---|
| Formula | Zn4(SO4)(OH)6 · 3H2O |
| Crystal Form | Triclinic/Pedial [1] |
| Cleavage | Perfect on {001}, imperfect perp. to {001} |
| Color | Colorless |
| Density | 3.0 – 3.0 g/cm3 |
| Diaphaneity | Translucent |
| Fracture | Sectile |
| Hardness | 1.5 |
| Type Loc. | Friedrichssegen Mine, Frücht, Bad Ems Dist., Lahn Vly., Rhineland-Palatinate, Germany |
| Mindat | mindat.org |
| ID | 417 |