Sulphosalt, sartorite group, thallium-, antimony- and arsenic- bearing mineral
Specific gravity: 5.355 calculated
Boscardinite was found on a museum specimen in the mineralogical collection of the Museo di Storia Naturale e del
Territorio, Pisa, Italy, and it was approved as a new mineral in 2011.
At Jas Roux, La Chapelle-en-Valgaudemar, Gap, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France, boscardinite is associated with stibnite and smithite (HOM).
At the type locality, the Monte Arsiccio mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy, in the baryte–pyrite-iron oxides deposit, metamorphic rocks outcrop through non-metamorphic sedimentary formations. The deposit is characterised by a distinct zoning, with pyrite and baryte at the bottom, and iron oxides (magnetite and hematite) and baryte at the top, with accessory sulphides and sulphosalts. The mineralisation is hosted at the contact between phyllite and dolostone.
Boscardinite was identified in a sample occurring in a quartz vein embedded in dolostone, associated with zinkenite. Other sulphosalts identified in the veins crosscutting the dolostone were mercury-rich andorite, boulangerite, chabournéite/a>, jamesonite, robinsonite and zinkenite.
Boscardinite occurs as a millimeter-sized lead-grey mass with a metallic lustre (CM 50.235-251).
Back to Minerals