SOLD !
This is the pure, naturally occurring element COPPER, which is usually found in the oxidation zones of copper ore deposits.
This solid copper is far too rare for industrial processing, which is why copper ores, such as BORNITE, are usually mined in the 'mining industry and processed into copper wire, sheet, etc.'. BORNITE and processed into copper wires, sheets, etc.
These great nuggets come from the White Pine Mine in Michigan - USA
Weight: 100 g. Dimensions: 7 x 4 x 1 cm
Picture 3 is the natural - not polished side
