Keutschite
Keutschite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula Cu₂AgAsS₄.
It crystallizes in the tetragonal crystal system (space group I-42m). It is a member of the Sphalerite, Stannite structural group.
IMA symbol Keu, IMA status: approved, named in 2014.
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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