4371 Calcite, Biggenden, Queensland October 5, 2019 Steve Australasia Australia Queensland K & M Brown Collection
Cornwall England United Kingdom 9086 JP2694 Cassiterite, Schorl, Calcite, Balleswidden Mine, St Just, Cornwall, England, UK May 22, 2020
North and Central Americas Pennsylvania United States 1396 Strontianite, Calcite, Meckley Quarry, Mandata, Pennsylvania, USA September 22, 2019
