“Golden-yellow sphalerite crystal of 2 mm with tetrahedrite in epitactic growth. Ex Angelo Simonini collection - Canon EOS 5D Mark II camera, bellows, Olympus Zuiko 38 mm macro.”
“Golden-yellow sphalerite crystal of 2 mm with tetrahedrite in epitactic growth. Ex Angelo Simonini collection - Canon EOS 5DS R camera, bellows, Olympus Zuiko 38 mm macro.”