Vitimite
Vitimite is an IMA-recognized mineral species in the sulfate class, with the chemical formula Ca₆B₁₄O₁₉(SO₄)(OH)₁₄·5H₂O.
It crystallizes in the monoclinic crystal system.
Key properties: Mohs hardness 1.5; specific gravity 2.29; White streak; Vitreous luster; optically biaxial.
IMA symbol Vti, IMA status: approved, named in 2001.
A low-temperature hydrothermal mineral in veinlets in a skarn-type boron deposit.
It is found associated with Calcite, priceite, federovskite, kurchatovite, ludwigite, magnetite, sphalerite, pyrite (Solongo); calcite, uralborite, serpentine (Novofrolovskoe).
The name refers to the Vitim plateau, in the southern part of which the first specimens were collected.
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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