Polished De Grussa copper ore slab CO132 aquamarine 95 mm x 80 mm

95 mm x 80 mm x 35 mm thick

All reasonably uniform in size (roughly 15 - 20 mm diameter}

Weighs 319 grams

Very unusual specimen with this mix of red and other colours

Weighs 763 grams

Polished De Grussa copper ore slab CO132 aquamarine 95 mm x 80 mmCO132 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 230 mm x 100 mm x 10 mm thick. Weighs: 486 grams A mix of copper minerals that formed in the upper oxidised zone. Consisting of blue chrysocolla, minor green malachite, 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 2022.