Cooperite (mineral)
Template:Short description {{#invoke:other uses|otheruses}} Template:Infobox mineral Cooperite is a grey mineral consisting of platinum sulfide (Template:Chem), generally in combinations with sulfides of other elements such as palladium and nickel (PdS and NiS). Its general formula is Template:Chem. It is a dimorph of braggite.<ref name=Mindat/>
It is mined as an ore of platinum and platinum group metals such as palladium. It occurs in South Africa in minable quantities and in an old mine near Mount Washington on Vancouver Island.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
It was first described in 1928 for occurrences in the Bushveld Igneous Complex and named after South African metallurgist Richard A. Cooper who first characterized it.<ref name=Mindat>Mindat mineral data</ref><ref name=Handbook>Handbook of Mineralogy</ref>