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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. 

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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



TOPGEO Mineralienhandel GmbH
Dr. Petr Zajicek
Commercial register:
HRB 671194 Amtsgericht Ulm
VAT-Id: DE147815490
Gersbach 10
74589 Satteldorf
Telephone: +49 7950 1345
Telefax: +49 7950 8483
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