A super rare find, somehow acquired with both the earrings and pendant! The copper is likely sourced from the now shuttered Copper Queen or Campbell Mine in AZ.
The unusual stones are campbellite, a mixture of azurite, cuprite, copper and other minerals. This stone is rare, and was only found in the now shuttered Campbell Mine. The earrings and pendant have different borders etched into the copper but it does not come across as mismatched. The stones and copper will need some polishing.