1756 Chalcopyrite, Hematite, Dolomite, Sepiolite, Peko Mine, Tennant Creek, Northern Territory March 27, 2022 Steve Australasia Australia Northern Territory One main twinned and iridescent chalcopyrite crystal with a few smaller ones, with hematite and fibrous cream sepiolite on dolomite. Width of view 8.63mm. Stack of 40 images. Click on the image below for a higher resolution version.
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