ncat RW239 Calcite, Wallaroo Mine, Kadina, Yorke Peninsula, South Australia November 29, 2021 Steve Australasia Australia South Australia Transparent colourless prismatic calcite crystals with chlorite(?) inclusion. Ex Ron Wallace collection. Width of view 13mm. Stack of 20 images. Click on the image below for a higher resolution version.
Australasia Australia Tasmania 4025 Siderite, Calcite, Hematite, South Pit, Savage River Mine, Tasmania December 14, 2021
Co. Durham England United Kingdom 1916 Calcite, Sphalerite, Frazers Grove Mine, Rookhope, Weardale, England September 22, 2019
Africa South Africa 30061 Groutite, Calcite, Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape, South Africa April 21, 2020