Copper (Cu) is an extremely useful industrial metal that is ductile (capable of being drawn into wire), malleable (capable of being hammered and molded)
Copper Meets Inclusion Criteria for U.S. Geological Survey's
The Metalliferous Ring: “The Geographic”, “The Geologic” and their
US Geological Society denies copper “critical mineral” status
sylvite. This sample represents potassium in the The Grand Tour
Unveiling the Beauty of Alabaster
Amethyst specimen from Afghanistan.
Women's Mining Coalition
Copper
Education Program Director - Arizona Mining Association - Arizona
Copper Mine or Sacred Land: The Fight for Oak Flat