Polished De Grussa copper ore slab CO127 Green Opal cut and polished on one

cut and polished on one side with a natural weathered back and a cut base to stand as a display specimen

Dimensions at widest points approximately 100 mm x 100 mm x 40 mm thick

cut and polished on one side with natural weathered back

Weighs  422 grams

Polished De Grussa copper ore slab CO127 Green Opal cut and polished on oneCO127 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 350 mm x 200 mm x 15 mm thick. Weighs: 2,042 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. The Degrussa underground mine is a high grade copper deposit in Western Australia that commenced operation in 2012 and ceased