Black crystal aggregate of the extremely rare mineral zincobriartite (IMA 2015-094) from the type and only known locality: Kipushi Mine, Haut-Katanga, DR Congo. It is one of the only the three mineral species that have at the same time the very rare chemical elements gallium and germanium in its composition. — Photo: David Hospital · CC BY-SA 4.0
Zincobriartite
Zincobriartite is an IMA-recognized mineral species in the sulfide class, with the chemical formula Cu₂(Zn,Fe)(Ge,Ga)S₄.
It crystallizes in the tetragonal crystal system (space group I-42m). It is a member of the Sphalerite, Stannite structural group.
IMA symbol Zbtt, IMA status: approved, named in 2015.
Prefix, zinco, indicates the Zn-analogue of briartite.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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