Images
Formula: Pd2As
Alloy of palladium and arsenic
Crystal system: Monoclinic
Specific gravity: 10.42 calculated
Hardness: 5
Colour: Steel-grey
Solubility: Not acted on by dilute nitric acid, concentrated hydrochloric acid or sulphuric acid. With concentrated
nitric acid it turns brown in 5 seconds
(AM 60.162).
Magnetism: Non-magnetic
Common impurities: Pt,Au,Ag,Ni,Cu,Sb,Te
Environments
Localities
At the type locality, the Komsomol'skii Mine, Talnakh Cu-Ni Deposit, Norilsk-Talnakh Mining Region, Taimyr Peninsula,
Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia, palladoarsenide occurs as minute grains in
chalcopyrite in veins along the footwall of the
copper-nickel sulphide deposit. The
grains are irregular, up to 0.4 mm, long and veinlet-like, vermicular (worm-like), having curving boundaries.
Associated minerals include chalcopyrite,
sperrylite, gold and
kotulskite
(HOM, Mindat).
Back to Minerals