Algodonite


Composition:

(Cu1-xAsx)

Crystal System : Hexagonal
Colours: Steel-gray to silver-white, tarnishes dull on exposure
Lustre : Metallic
Hardness (H) : 4
Specific Gravity (S.G) : 8.38

 

Distribution

Extremely rare. Questionable status at Tsumeb, (although it is listed in the RRUFF database).