Iowa North and Central Americas United States ncat JP654, Calcite, Oskaloosa, Mahaska Co., Iowa, USA September 23, 2019
Colorado North and Central Americas United States 1219 Calcite, after Aragonite, Fort Collins area, Larimer Co., Colorado, USA September 22, 2019
Australasia Australia Tasmania 2997 Heulandite, Calcite, Pyrite, Merrywood Coal Mine, Royal George, Tasmania October 3, 2019