5070 Duftite, Calcite, Tsumeb Mine, Tsumeb, Otjikoto, Namibia September 29, 2019 Steve Africa Namibia Possibly dolomite? Click for full sized image…
North and Central Americas Ohio United States ncat Fluorite, Calcite, Marblehead Quarry, Marblehead, Ohio September 23, 2019
Australasia Australia Victoria 5719 Goethite replacing Pyrite, Stellerite, Calcite, Lake Cooper quarry, Corop, Campaspe Shire, Victoria November 27, 2020
Australasia Australia Victoria ncat VHD10, Calcite, Chabazite, Boral Quarry, Bundoora, Victoria November 17, 2019
