Luberoite
Luberoite is an IMA-recognized mineral species in the sulfide class, with the chemical formula Pt₅Se₄.
It crystallizes in the monoclinic crystal system (space group P2_1/c).
Key properties: specific gravity 10.68–12.78; Metallic luster; optically biaxial.
IMA symbol Lub, IMA status: approved, named in 1990.
Found in concentrates from placers derived from granodioritic source rocks.
It is found associated with Platinum, anatase, florencite, gorceixite, kaolinite, chlorite, quartz.
The name refers to its occurrence in the Lubero district, Congo.
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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