1855 Chalcopyrite, Quartz, Ankerite, Henty Gold Mine, Queenstown, Tasmania March 27, 2022 Steve Australasia Australia Tasmania A cluster of iridescent chalcopyrite crystals on ankerite/dolomite with quartz. Width of view 11.5mm. Stack of 55 images. Click on the image below for a higher resolution version.
Europe France 10060 Quartz, Road to Oulles (off the D526), Bourg d’Oisans, Isere, Rhone-Alpes, France October 18, 2019