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
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
Australasia Australia New South Wales 7319 JL3066 Pyrargyrite, Pyrite, Proustite, Siderite, Browne’s shaft, Block 39, North Mine, Broken Hill, Broken Hill district, Yancowinna Co., New South Wales December 24, 2020
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
