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.
Europe Germany 4768 Calcite, Arensberg, Zilsdorf, Hillesheim, Eifel, Rhineland-Palatinate, Germany October 5, 2019