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.
Africa Namibia 4701 Calcite, Mottramite, Sphalerite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia October 5, 2019
Australasia Australia South Australia ncat VHD7, Malachite, Copper, Cuprite, Pyrite, Chrysocolla, Calcite, Mutooroo, South Australia November 17, 2019