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.
Ankerite with colourless prismatic quartz and minor chalcopyrite. Width of view 3.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Mass of arborescent copper. Video best viewed full screen.
Acquired by Joan Lamond in 2000 from Harry Critchley. Width of view 11mm. Stack of 6 images.
Pyrite decomposed and destroyed the specimen.