Litochlebite
Litochlebite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula Ag₂PbBi₄Se₈.
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 7.9; Dark gray streak; Metallic luster.
IMA symbol Lto, IMA status: approved, named in 2009.
A primary phase in hydrothermal veins in a uranium deposit.
It is found associated with Quartz, uraninite, hematite, uranophane.
The mineral was named to honor the Czech mineralogist Dr. Jiří Litochleb (b. 1948), currently head of the Department of Mineralogy and Petrology and director of the Natural History Museum.
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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