5177 Calcite, Carnotite, Anderson Mine, Yavapai Co., Arizona, USA September 29, 2019 Steve Arizona North and Central Americas United States JL0284. Joe Marty
Cornwall England United Kingdom 3622 Fluorite, Chalcophyllite, Calcite, Wheal Gorland, St Day, Cornwall, England October 3, 2019
North and Central Americas United States Virginia 1311 Calcite, Quartz, Haymarket Quarry, Haymarket, Virginia, USA September 22, 2019
Mexico North and Central Americas 3932 Calcite, Level 16, Potosi Mine, Santa Eulalia, Chihuahua, Mexico October 3, 2019