0775 Calcite, 6 Level, CSA Mine, Cobar, New South Wales September 20, 2019 Steve Australasia Australia New South Wales Small cluster of calcite crystals, no matrix. Width of view 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Australasia Australia Western Australia ncat VHD3 Chalcopyrite, Calcite, Western Australia November 17, 2019
Argyll and Bute Scotland United Kingdom 3820 Calcite, Middleshop Mine, Strontian, Argyllshire, Scotland October 3, 2019
Mexico North and Central Americas 30067 Barite, Pyrite, Fluorite, Calcite, Level 4, El Solar Mine, Taxco de Alarcón, Mun. de Taxco, Guerrero, Mexico April 21, 2020
Australasia Australia Queensland 0430 Calcite, Quartz, Doe Mine, Cloncurry, Queensland September 19, 2019