Diarsenite of barium, titanium and vanadium
Specific gravity: 4.863 calculated
Bianchiniite is a relatively new mineral, approved in 2019 and, to date (March 2022), reported only from the type locality.
At the type locality, the Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, bianchiniite was found as brown tabular crystals, up to 1 mm across, with a vitreous lustre (MM 85.3.354-363).
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