4768 Calcite, Arensberg, Zilsdorf, Hillesheim, Eifel, Rhineland-Palatinate, Germany October 5, 2019 Steve Europe Germany Helmut Braith
Australasia Australia Victoria 7180 JL453 Calcite, Riddells Creek, Sunbury, Victoria September 23, 2019
Australasia Australia Victoria 0160 Quartz, Calcite, David Mitchell Quarry, Lilydale, Victoria September 18, 2019
California North and Central Americas United States 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
