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
Australasia Australia South Australia 7398 JL3692 Calcite, Iron Monarch open cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia December 29, 2020
England North Yorkshire United Kingdom ncat JP1924 Smithsonite after Calcite, Coldstones Quarry, Greenhow, Pateley Bridge District, North Pennines, North Yorkshire, England, UK October 8, 2019