Calcite with Chalcopyrite from Missouri
Rhodochrosite with Quartz, Sphalerite, & Chalcopyrite from Bulgaria
Calcite with Chalcopyrite from Romania
Calcite with Chalcopyrite and Dolomite from Missouri
Chalcopyrite with Quartz from England
Fluorite with Chalcopyrite from Illinois
Chalcopyrite with Quartz from Colorado
Bournonite, Pyrite, and Chalcopyrite from Romania
Bornite coated Chalcopyrite with Calcite from Mexico
Stannite with Quartz, Chalcopyrite, Arsenopyrite, and Cassiterite from China
Scheelite with Chalcopyrite and Quartz from Romania
Sphalerite with Chalcopyrite from Kansas
Text, photographs, quotes, links, conversations, audio and visual material preserved for future reference.