Yushkinite
Yushkinite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula (Mg,Al)(OH)₂VS₂.
It is a member of the Valleriite structural group.
Key properties: Mohs hardness 1; specific gravity 2.94.
IMA symbol Yus, IMA status: approved, named in 1983.
Found in quartz-carbonate veins in carbonate rocks.
It is found associated with Cadmian sphalerite, sulvanite, fluorite.
The name refers to Academician Nikolai Pavlovich Yushkin (1936–), Russian mineralogist, Director of the Institute of Geology, Syktyvkar, Russia.
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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