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
Colorado North and Central Americas United States ncat JP1566, Proustite, Sphalerite, Chalcopyrite, Pyrite, Galena, Wyoming Mine, Gilman District (Battle Mountain District; Red Cliff District), Eagle Co., Colorado, USA September 23, 2019
Africa Morocco ncat JP3135 Proustite, Imiter Mine, Imiter District, Tinghir Province, Draa-Tafilalet Region, Morocco October 8, 2019
Africa Namibia 7098 Proustite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia October 5, 2019
