5496 Cadmoselite, Sphalerite, Clausthalite, Ust’ Uyok deposit, Tuva Republic, Russia
Type Locality. Grains of black cadmoselite with orange-brown sphalerite, and silvery metallic clausthalite? Width of view 6mm. Stack of 36 images. Ex Excalibur Minerals. Click on the image below for a higher resolution version.