ncat OW109 Covellite, Chalcopyrite, Mount Gunson, South Australia August 4, 2022 Steve Australasia Australia South Australia Blue-black crystals of covellite on iridescent chalcopyrite. Ex Margaret Brown Collection. Acquired by Margaret in 1994 from Trevor Dart. Width of view 11.5mm. Stack of 66 images. Click on the image below for a higher resolution version.
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United Kingdom Wales 1553 Millerite, Chalcopyrite, Unknown, Eaglebrook Mine, Dyfed, Wales September 22, 2019