3932 Calcite, Level 16, Potosi Mine, Santa Eulalia, Chihuahua, Mexico October 3, 2019 Steve Mexico North and Central Americas Rob Sielecki 6/2004
Australasia Australia Victoria 7180 JL453 Calcite, Riddells Creek, Sunbury, Victoria September 23, 2019
Mexico North and Central Americas 0025 Wulfenite, Calcite, Los Lamentos, Chihuahua, Mexico September 18, 2019
Brazil South America 1933 Pyrrhotite, Cubanite, Calcite, Morrho Velho Gold Mine, Nova Lima, Minas Gerais, Brazil September 22, 2019
Australasia Australia Victoria 5157 Chabazite, Calcite, Old Melbourne Quarries, Victoria September 29, 2019