7098 Proustite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia October 5, 2019 Steve Africa Namibia Proustite at Tsumeb not listed in Mindat. ex Joan Lamond 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
Europe Greece 9054 JP2234 Proustite, Plaka Mines, Plaka, Lavrion District Mines, Lavrion District (Laurion; Laurium), Attiki Prefecture (Attica; Attika), Greece October 11, 2019
Africa Morocco ncat JP2227 Proustite, Imiter mine, Imiter mining district, Tinghir Cercle, Tinghir Province, DrĂ¢a-Tafilalet Region, Morocco June 24, 2023
California North and Central Americas United States ncat JP1681, Proustite, Advance Mine (Zaca Mine; Zaca group; North Advance Mine; Collosus Mine; Colorado No. 2 Mine; Tarshish Mine), Colorado Hill, Loope (Monitor; Loopeville), Monitor – Mogul District, Alpine Co., California, USA September 23, 2019