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CO128 DeGrussa copper ore slab, polished on one side.
Dimensions at widest points approximately 345 mm x 220 mm x 13 mm thick.
Weighs: 2,090 grams
A mix of copper minerals that formed in the upper oxidised zone.
Consisting of dark green malachite, blue chrysocolla, tenorite, minor cuprite , native copper and brown iron oxides.
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