1819 Clinoptilolite, Calcite, Loga Quarry, Ybbs-Persenberg, Austria September 22, 2019 Steve Austria Europe
Illinois North and Central Americas United States 10001 Calcite, Fluorite, Hill-Ledford Mine, Cave-in-Rock, Hardin Co., Illinois, USA March 23, 2018
Nevada North and Central Americas United States 0213 Millerite, Calcite, Grays Quarry, Hamilton, Hancock Co., Illinois September 18, 2019
Iowa North and Central Americas United States ncat JP732, Pyrite, Calcite, Pint’s Quarry, Raymond, Black Hawk Co., Iowa, USA September 23, 2019
Arizona North and Central Americas United States 10070 Calcite, Wulfenite, Hemimorphite, 79 Mine (79th Mine; Seventy-Nine Mine; Seventy-Nine property; McHur prospect), Chilito, Hayden area, Banner District, Dripping Spring Mts, Gila Co., Arizona October 5, 2019
