| Seligmannite | |
| Category: | Sulfide minerals |
| Formula: | PbCuAsS3 |
| Imasymbol: | Seli[1] |
| Molweight: | 441.87 g/mol |
| Strunz: | 2.GA.50 |
| System: | Orthorhombic |
| Class: | Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) |
| Symmetry: | Pmmn |
| Color: | Lead gray to black |
| Habit: | Massive to crystalline |
| Twinning: | On very common |
| Cleavage: | Indistinct on the,, and |
| Fracture: | Conchoidal |
| Tenacity: | Brittle |
| Mohs: | 3 |
| Luster: | Metallic |
| Opticalprop: | Anisotropic |
| Streak: | Black to chocolate brown |
| Density: | 5.38 – 5.44 g/cm3 |
| References: | [2] [3] |
Seligmanite is a rare mineral, with the chemical formula PbCuAsS3. Originally described from the Lengenbach Quarry, Valais Canton, Switzerland; it has also been found in the Raura district, Lima Region, Peru; at Tsumeb, Oshikoto Region, Namibia; and at the Sterling Mine, Sussex County, New Jersey, US.