Schlemaite
Schlemaite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula (Cu, )₆(Pb,Bi)Se₄.
It crystallizes in the monoclinic crystal system (space group P2_1/m).
Key properties: Mohs hardness 3; specific gravity 7.54; Black streak; Metallic luster.
IMA symbol Slm, IMA status: approved, named in 2003.
Found in vein-type uranium deposit.
It is found associated with Clausthalite, eucairite, löllingite, berzelianite, tiemannite, umangite, bohdanowiczite, dolomite, ankerite.
The name refers to the Schlema-Alberoda ore field in the ancient mining region of Saxony, Germany, where in the first samples were collected.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more S minerals or help write this entry.