4213 Calcite, Second Sovietsky Mine, D’alnegorsk, Russia October 4, 2019 Steve Europe Russia Ambros Kissling
Connecticut North and Central Americas United States 2237 Calcite, Chlorite Group, O & G Southbury Quarry (Silliman Quarry), Southbury, New Haven Co., Connecticut, USA April 4, 2022
Africa Namibia 5464 Cerussite, Dioptase, Quartz, Tsumeb Mine, Tsumeb, Otjikoto, Namibia October 2, 2019
Connecticut North and Central Americas United States 1627 Datolite, Calcite, Roncari Quarry, East Glastonbury, Connecticut, USA September 22, 2019
