Stibiopalladinite Locality: Tilkerode, Harz, Germany Exposed in the Mineralogical Museum of University Bonn, Germany — Photo: Ra'ike · CC BY-SA 3.0
Stibiopalladinite
A palladium antimonide — silvery-white hexagonal metallic grains.
Intro adapted from Wikipedia (CC BY-SA).
Stibiopalladinite is an IMA-recognized mineral species in the sulfide class, with the chemical formula Pd₅Sb₂.
It crystallizes in the hexagonal crystal system (space group P6_3cm).
Key properties: specific gravity 10.8.
IMA symbol Stpdn, IMA status: approved, named in 1927.
An uncommon constituent of platinum deposits.
It is found associated with Braggite, cooperite, mertieite-II, sperrylite, Pt-Fe-Cu-Ni alloys, genkinite, platarsite, chromite, chalcopyrite, pentlandite, pyrrhotite, geversite, gold.
The name refers to its composition.