4370 Calcite, Gatton, New South Wales October 5, 2019 Steve Australasia Australia New South Wales K & M Brown Collection
Australasia Australia South Australia ncat RW239 Calcite, Wallaroo Mine, Kadina, Yorke Peninsula, South Australia November 29, 2021
Indiana North and Central Americas United States 4076 Smythite, State Route 37 road cut (6), Bloomington, Monroe Co., Indiana, USA March 23, 2018
Australasia Australia Victoria 1901 Calcite, Stellerite, Lake Cooper Quarry, Corop, Victoria September 22, 2019