Luxembourgite
Luxembourgite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula AgCuPbBi₄Se₈.
It crystallizes in the monoclinic crystal system (space group P2_1/m). It is a member of the Watkinsonite structural group.
Key properties: Mohs hardness 3; specific gravity 8; Black streak; Metallic luster.
IMA symbol Lux, IMA status: approved, named in 2019.
Found in hydrothermal veins of finely crystallized dolomite and siderite cutting red schists.
It is found associated with Dolomite, siderite.
The name refers to the city of Luxembourg, close to where the studied material was 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.
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