Gersdorffite
Named in 1845 by Alexander Löwe in honor of Johann Rudolf Ritter von Gersdorff, mining expert and owner of the nickel mine at Schladming, Austria.
Gersdorffite
Item-No.: MIN0367 Price: 595.00 EUR
Bou Azzer District, Tazenakht, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
| Synonyms: | Amoibite, Disosmose, Dobschauite, Nickelarsenikkies, Stirian |
| Classification: | Sulfides and Sulfosalts, Cobaltit Group |
| Chemical formula: | NiAsS |
| Crystal system: | Isometric |
| Density (g/cm3): | 5,9 measured, 5,966 calculated |
| Tenacity: | Brittle |
| Cleavage: | Perfect on {100}, {010} und {001} |
| Fracture: | Irregular, uneven |
| Hardness (Mohs): | 5,5 |
| Colour: | Gray, grayish black, silver white, or tin white |
| Lustre: | Metallic |
| Streak: | Grayish black |
| Fluorescence: | none |
| Transparency: | Opaque |
| Type locality: |
Zinkwand (Neualpe), Obertalbach Valley, Schladminger Tauern, Schladming, Styria, Austria |