4112 Calcite, Clevedon Beach, Somerset (Avon), England October 4, 2019 Steve England Somerset United Kingdom
Australasia Australia Tasmania 2212 Calcite, Bridgewater Quarry, Bridgewater, Tasmania September 22, 2019
Australasia Australia Tasmania 2997 Heulandite, Calcite, Pyrite, Merrywood Coal Mine, Royal George, Tasmania October 3, 2019
Iowa North and Central Americas United States ncat JP654, Calcite, Oskaloosa, Mahaska Co., Iowa, USA September 23, 2019