Cornwall England United Kingdom ncat JP1659 Strengite, Siderite, Gravel Hill Mine (Cliff Iron Mine; Penhale Iron Mine), Perran Iron Lode (Great Perran Iron Lode), Perranzabuloe, Cornwall, England, UK October 8, 2019
Michigan North and Central Americas United States ncat JP653, Pyrolusite, Taylor Mine, Alberta, Baraga Co., Michigan, USA September 23, 2019
Australasia Australia Victoria ncat JP871 Rockbridgeite, Lake Boga granite quarry, Lake Boga, Swan Hill Rural City, Victoria September 23, 2019
