Bassoite
Bassoite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula SrV⁴⁺₃O₇·4H₂O.
It crystallizes in the monoclinic crystal system (space group P2_1/m).
Key properties: Mohs hardness 4–4.5; specific gravity 2.94; Black streak; Submetallic luster.
IMA symbol Bso, IMA status: approved, named in 2011.
Found in a metamorphosed bedded chert and Mn ore deposit.
It is found associated with Rhodonite, quartz, braunite.
The mineral was named to honor Riccardo Basso (b. 1947), Professor of Mineralogy and Crystallography, University of Genoa, Italy.
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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