Koksharovite
Koksharovite is an IMA-recognized mineral species in the vanadate class, with the chemical formula CaMg₂Fe³⁺₄(VO₄)₆.
It crystallizes in the triclinic crystal system (space group P-1). It is a member of the Howardevansite structural group.
Key properties: Mohs hardness 4.5; specific gravity 3.39; Yellowish brown streak; Adamantine. Anisotropism: Weak luster.
IMA symbol Kok, IMA status: approved, named in 2012.
A sublimate from fumarolic gas deposited on andesitic scoria.
It is found associated with Bannermanite, biotite, quartz, (Ti, V)-rich magnetite.
The mineral was named to honor Professor Nikolay Ivanovich Koksharov (1818-1892), Academician of the Russian Academy of Sciences and former Director of the Russian Mineralogical Society.
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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