Polished De Grussa copper ore slab CO139 brecciated KO112 Killaloe Opal slab

KO112  Killaloe Opal slab

polished on one side

Weighs 637 grams

Dimensions at widest points approximately 185 mm x 120 mm x 7

Dimensions at widest point approximately 90 mm x 75 mm x 35 mm

Polished De Grussa copper ore slab CO139 brecciated KO112 Killaloe Opal slabCO139 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 180 mm x 110 mm x 11 mm thick. Weighs: 350 grams A mix of copper minerals that formed in the upper oxidised zone. Consisting of blue chrysocolla, minor green malachite, tenorite, 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.