Cabvinite
Cabvinite is an IMA-recognized mineral species in the halide class, with the chemical formula Th₂F₇(OH)·3H₂O.
It crystallizes in the tetragonal crystal system (space group I4/m).
Key properties: specific gravity 5.35; White streak; Vitreous luster.
IMA symbol Cbv, IMA status: approved, named in 2016.
From low-temperature hydrothermal alteration of Mo-Bi mineralization.
It is found associated with Brookite, iron oxy-hydroxide (“limonite”).
The mineral was named to honor two Italian mineral collectors, Fernando Caboni (b. 1941) and Antonello Vinci (b. 1944), for their contribution to the knowledge of Su Seinargiu mineralogy.
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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