3754 Dolomite, Chalcopyrite, Nickel mine, Adygea, Northern Caucasus, Russia October 3, 2019 Steve Europe Russia
Missouri North and Central Americas United States 0481 Calcite, Dolomite, Chalcopyrite, Miliken Mine, Viburnum Trend, Reynolds Co, Missouri, USA September 19, 2019
Australasia Australia South Australia ncat VHD4, Dolomite, Puttapa, South Australia November 17, 2019
Cumbria England United Kingdom 0914 Dolomite, Florence Mine, Egremont, Cumbria, England September 20, 2019
Colorado North and Central Americas United States ncat JP1706, Dolomite, Quartz, Sunnyside Mine group (American Tunnel Mine; American Tunnel; Gold King Mine; Washington Mine; Belle Creole; Gold Prince; Brenneman Mine; Mogul Mine), Bonita Peak, Gladstone, Eureka District, San Juan Co., Colorado, USA September 23, 2019
