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
Bou Azzer District, Tazenakht, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Item-No.: MIN0367
Price: 595.00 EUR
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 |