ncat JP2592 Proustite, Jachymov (St Joachimsthal), Jachymov District (St Joachimsthal), Krusne Hory Mts (Erzgebirge), Karlovy Vary Region, Czech Republic October 11, 2019 Steve Czech Republic Ex Jack and Dawn Leach Collection
Canada North and Central Americas 0794 Xanthoconite, Proustite, Dyscrasite, O’Brien Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada September 20, 2019
Africa Morocco ncat JP2227 Proustite, Imiter mine, Imiter mining district, Tinghir Cercle, Tinghir Province, DrĂ¢a-Tafilalet Region, Morocco June 24, 2023
Africa Morocco ncat JP3135 Proustite, Imiter Mine, Imiter District, Tinghir Province, Draa-Tafilalet Region, Morocco October 8, 2019