Polished De Grussa copper ore slab CO123 alcheringa narrina 55 mm x 30 mm

55 mm x 30 mm  x 35 mm

Weighs 446 grams

Dimensions at widest points approximately 140 mm x  90 mm x 65 mm thick

This is a mix of pink opal and chalcedony

Weight is 182 grams

Polished De Grussa copper ore slab CO123 alcheringa narrina 55 mm x 30 mmCO123 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 140 mm x 70 mm x 11. 5 mm thick. Weighs: 249 grams A mix of copper minerals that formed in the upper oxidised zone. Consisting of dark green malachite, tenorite, cuprite, chrysocolla, 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 mining in