Petrukite
Petrukite is an IMA-recognized mineral species in the sulfide class, with the chemical formula (Cu,Ag)₂(Fe,Zn)(Sn,In)S₄.
It crystallizes in the orthorhombic crystal system (space group Pmn2_1). It is a member of the Wurtzite, Enargite structural group.
IMA symbol Ptk, IMA status: approved, named in 1985.
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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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