Malyshevite
Malyshevite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula PdCuBiS₃.
It crystallizes in the orthorhombic crystal system. It is a member of the Lapieite structural group.
Key properties: Mohs hardness 3; specific gravity 6.025; Metallic luster.
IMA symbol Mys, IMA status: approved, named in 2006.
Found in the contact aureole of an impact melt sheet (Sudbury); in a U-V-precious metals deposit in albite-mica-carbonate metasomites (Srednyaya Padma).
It is found associated with Clausthalite, padmaite, quartz (Srednyaya Padma); lisiguangite (Sudbury).
The mineral was named to honor Ilya Ilyich Malyshev (1904-1973), discoverer of the Samotkansky titanium ore deposit in the Urals, and his son, Professor V.I. Malyshev (1927-2002).