ncat JP1024, Cinnabar, Calcite, Great Eastern and Mount Jackson Mine (Sonoma Mine; Sonoma Quicksilver Mines; Guerneville Mine; Great Eastern Mine; Mount Jackson Mine), Guerneville, Guerneville District, Coast Range, Sonoma Co., California, USA September 23, 2019 Steve California North and Central Americas United States
California North and Central Americas United States 2288 Eglestonite, Cinnabar, Cahill mine, Poverty Peak District, Humboldt Co., Nevada, USA September 22, 2019
Europe France ncat JP0998 Barite, Calcite, Cap Garonne Mine, Le Pradet, Var, Provence-Alpes-Cote d’Azur, France October 11, 2019
Arkansas North and Central Americas United States 5627 Aegirine, Calcite, Jones Mill Quarry (Martin Marietta Quarry; Highway 51 Quarry; Mid-State Quarry), Magnet Cove, Hot Spring Co., Arkansas, USA October 5, 2019