ncat RW177 Calcite, Liawenee Canal, Liawenee, Central Highlands, Tasmania November 29, 2021 Steve Australasia Australia Tasmania Slender white crystal group. Ex Ron Wallace collection. Width of view 25mm. Stack of 15 images. Click on the image below for a higher resolution version.
Asia China 0330 Helvite, Dolomite, Calcite, Chamosite, Huanggang (Huanggangliang) Fe-Sn deposit, Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China September 19, 2019
North and Central Americas Tennessee United States 1390 Fluorite, Calcite, Sphalerite, Elmwood Mine, Tennessee, USA September 22, 2019
Australasia Australia Western Australia ncat VHD3 Chalcopyrite, Calcite, Western Australia November 17, 2019