Clinocervantite
The monoclinic polymorph of antimony tetroxide, discovered in 1999 in waste-rock cavities at Italy's Cetine mine.
Intro adapted from Wikipedia (CC BY-SA).
Clinocervantite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Sb³⁺Sb⁵⁺O₄.
It crystallizes in the monoclinic crystal system (space group C2/c). It is a member of the Clinocervantite structural group.
Key properties: specific gravity 6.72; White streak; Vitreous luster.
IMA symbol Ccvn, IMA status: approved, named in 1997.
Found in vugs in waste rock from an antimony mine.
It is found associated with Valentinite, tripuhyite, bindheimite, rosiaite.
The prefix, clino, indicates the monoclinic analog of cervantite.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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