1816 Calcite, Chalcopyrite, Henty Gold Mine, Queenstown, Tasmania December 14, 2021 Steve Australasia Australia Tasmania Tiny sharp calcite crystals that look like they may have replaced something else, something vaguely cubic. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Cumbria England United Kingdom 0911 Calcite, Quartz, Hematite, Fluorite, Florence Mine, Egremont, Cumbria, England September 20, 2019
New Jersey North and Central Americas United States 30041 Quartz, Calcite, Permafrost Pocket 2015, Upper New Street Quarry, Paterson, Passaic Co., New Jersey, USA October 5, 2019