Petr Hykš:
Chalcopyrite (zoom 45x)
Petr Hykš:
Tetragonal chalcopyrite crystals (micro-capture, 200x)
Petr Hykš:
Chalcopyrite crystals on limestone (detail)
Petr Hykš:
Chalcopyrite crystals on limestone (detail)
Petr Hykš:
Tetragonal chalcopyrite crystals (micro-capture)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Tetragonal chalcopyrite crystals (micro-capture, 200x)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Chalcopyrite (micro-capture)
Petr Hykš:
Cavity filled with chalcopyrite
Petr Hykš:
Chalcopyrite crystals (as found)
Petr Hykš:
Chalcopyrite coating
Petr Hykš:
Chalcopyrite coating on calcite crystals
Petr Hykš:
Chalcopyrite coating on calcite crystals
Petr Hykš:
Chalcopyrite coating on calcite crystals (micro-capture, 30x)
Petr Hykš:
Chalcopyrite coating on calcite crystals (micro-capture, 30x)
Petr Hykš:
Chalcopyrite coating on calcite crystals (micro-capture, 30x)
Petr Hykš:
DSC04459
Petr Hykš:
Chalcopyrite crystals growing on calcite slickenfibres (micro-capture, 30x)
Petr Hykš:
Possible (pseudomorphosed?) pyrite crystals with chalcopyrite rims in devonian calciturbidite