30061 Groutite, Calcite, Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape, South Africa April 21, 2020 Steve Africa South Africa Black groutite on an unknown brown stalactitic mineral with calcite that fluoresces red. Ex Barry Johnson Collection.
Co. Antrim Northern Ireland United Kingdom 0772 Calcite, Natrolite, Glenarm, Co. Antrim, Northern Ireland May 31, 2023
Highland Scotland United Kingdom 5480 Calcite, Talisker Bay, Minginish, Isle of Skye, Highland, Scotland October 2, 2019
Australasia Australia Victoria ncat JP360 Chabazite-K, Calcite, Tylden quarry, Tylden, Macedon Ranges Shire, Victoria September 23, 2019
Australasia Australia Victoria 7183 JL74 Chabazite, Phillipsite, Calcite, Richmond, City of Yarra, Greater Melbourne Region, Victoria September 23, 2019