Many minerals are copper ores, meaning they contain copper that could actually be extracted. Copper weathering is often involved in the unique coloration of specimens. Popular minerals that fall in this category include azurite, malachite and chrysocolla.
- Optical Properties
- Characteristic Physical Properties
- Chemistry & Crystallography
Copper Ore Colors
Countries of Origin
Canada; United States of America (the); Unknown; Uruguay; Namibia; Australia
Copper will oxidize and tarnish to green or black.