Kalungaite
Kalungaite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula PdAsSe.
It crystallizes in the cubic crystal system (space group P2_13). It is a member of the Ullmannite structural group.
Key properties: Mohs hardness 4–5; specific gravity 7.59; Black streak; Metallic luster.
IMA symbol Klu, IMA status: approved, named in 2004.
Found in a hydrothermal gold deposit in quartz-muscovite-rich zones of a mylonite cutting peraluminous granite.
It is found associated with Gold, bohdanowicszite, guanajuatite, clausthalite, stibiopalladinite, sperrylite, padmaite, chalcopyrite, muscovite, quartz, tourmaline, magnetite.
The name refers to the Kalunga people, a community of descendants of African slaves living in Cavalcante and other towns near the locality that produced the first specimens.