Rohaite
Rohaite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula (Tl,Pb,K)₂Cu₈.₇Sb₂S₄.
It crystallizes in the orthorhombic crystal system.
Key properties: specific gravity 7.752; Metallic luster.
IMA symbol Roh, IMA status: approved, named in 1973.
Found in veins cutting an alkalic intrusive.
It is found associated with Chalcocite, löllingite, cuprite, antimonian silver, analcime, sodalite.
In honor of Professor John ROse-HAnsen (1937–), Danish mineralogist, University of Copenhagen, Denmark.
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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