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Formula: PtFe
Alloy of platinum and iron
Crystal System: Tetragonal
Specific gravity: 15.7 calculated
Hardness: 4 to 5
Colour: Grey, silver-white
Magnetism: Strongly ferromagnetic
Common impurities: Rh,Ir,Cu,Ni,Sb
Environments
Tetraferroplatinum occurs in platinum-bearing placers
(Dana).
Localities
At the type locality, Mooihoek Farm 255 KT, Burgersfort, Fetakgomo Tubatse Local Municipality, Sekhukhune District
Municipality, Limpopo, South Africa, tetraferroplatinum occurs in a
hortonolite dunite
(HOM).
Associated minerals include geversite,
irarsite, majakite,
sperrylite,
stannopalladinite,
plumbopalladinite,
chalcopyrite, pentlandite,
chromite, galena and
magnetite
(HOM).
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