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Formula: Pb5(AsS3)2(Ge2S6)
Sulphosalt, the first found mineral that contains both thiogermanate,
(GeS4)4- anion, and thioarsenite
(AsS3)3- anion.
Crystal system: Monoclinic
Specific gravity: 5.543 calculated
Hardness: 2½ to 3
Streak: Black
Colour: Greenish grey
Magnetism: Non-magnetic
Environments
Sedimentary environments
Hydrothermal environments
Wenqingite is a new mineral, approved in 2024 and to date (May 2026) reported only from the type locality.
Localities
At the type locality, the Wusihe Pb-Zn deposit, Wusihe deposits, Hanyuan County, Ya'an, Sichuan, China,
wenqingite is of hydrothermal exhalative sedimentary origin; it occurs as euhedral to subhedral columnar or platy
crystals with a grain size of 1 to 10 μm, and is closely associated with galena,
pyrite, jordanite and
ruizhongite within a
sphalerite matrix
(AM 111.5.796-804).
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