Stibiopalladinite

Stibiopalladinite is a mineral containing the chemical elements palladium and antimony.^[2] Its chemical formula is Pd₅Sb₂. It is a silvery white to steel grey opaque mineral crystallizing in the hexagonal crystal system.^[3]

Stibiopalladinite
Stibiopalladinite (metallic, center, below)
General
Category	Sulfide mineral
Formula	Pd5Sb2
IMA symbol	Stpdn[1]
Strunz classification	2.AC.20a
Crystal system	Hexagonal
Crystal class	Dihexagonal pyramidal (6mm) H-M symbol: (6mm)
Space group	P63cm
Identification
Color	Silver, white to steel-gray
Mohs scale hardness	4–5
Luster	Metallic
Streak	Black
Diaphaneity	Opaque

It was first described in 1929 for an occurrence in the Bushveld igneous complex of South Africa.^[4]