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
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
Africa Namibia 7098 Proustite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia October 5, 2019
Africa Morocco ncat VHD4 Fettelite, Proustite, Imiter mine, Imiter mining district, Tinghir Cercle, Tinghir Province, Drâa-Tafilalet Region, Morocco. June 25, 2023
