5070 Duftite, Calcite, Tsumeb Mine, Tsumeb, Otjikoto, Namibia September 29, 2019 Steve Africa Namibia Possibly dolomite? Click for full sized image…
Australasia Australia Queensland ncat VHD7, Calcite, Magnetite, Biggenden, Queensland November 17, 2019
Australasia Australia Tasmania 2998 Calcite, Merrywood Coal Mine, Royal George, Tasmania October 3, 2019
