Stibivanite
Stibivanite is an IMA-recognized mineral species in the vanadate class, with the chemical formula Sb³⁺₂V⁴⁺O₅.
It crystallizes in the monoclinic crystal system (space group C2/c).
Key properties: Mohs hardness 4; White streak; Adamantine luster; optically biaxial.
IMA symbol Stbv, IMA status: approved, named in 1980.
Found in late veins in a hydrothermal antimony deposit (Lake George deposit, Canada); in a metasomatized hydrothermal iron deposit (Buca della Vena mine, Italy).
It is found associated with Antimony, stibnite, sénarmontite, pyrite, arsenopyrite, sphalerite, quartz (Lake George deposit, Canada); anatase, apuanite, barite, beryl, derbylite.
The name comes from the Latin for antimony, STIBIum, and VANadium in the composition.
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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