3820 Calcite, Middleshop Mine, Strontian, Argyllshire, Scotland October 3, 2019 Steve Argyll and Bute Scotland United Kingdom
Australasia Australia Queensland 0441 Calcite, Quartz, Pyrite, Biggenden, Queensland September 19, 2019
Australasia Australia Victoria ncat NOVM Calcite, Augite, Ilmenite, Apatite, Portland Harbour Trust Quarry, Cape Sir William Grant, Portland, Glenelg Shire, Victoria July 12, 2024
Arizona North and Central Americas United States ncat JL0275 Dioptase, Calcite, Christmas Mine, Gila Co., Arizona, USA October 15, 2019
Oceana Papua New Guinea 6090 Gypsum, Calcite, Porgera Mine, Mt Kare Valley, Mt Hagen, Enga Province, Papua New Guinea October 2, 2019
