Polished De Grussa copper ore slab CO118 Green Opal Dimensions at widest points approximately

Dimensions at widest points approximately 210 mm x 150 mm x 80 mm thick

MK536   Mookaite

It weighs 188 grams

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

RFJ150  Rhyolite (Rainforest Jasper) rough rock

Polished De Grussa copper ore slab CO118 Green Opal Dimensions at widest points approximatelyCO118 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 300 mm x 240 mm x 18 mm thick. Weighs: 2,718 grams A mix of copper minerals that formed in the upper oxidised zone. Fractured quartz vein infilled with iron oxides and chrysocolla. The Degrussa underground mine is a high grade copper deposit in Western Australia that commenced operation in 2012 and ceased mining in 2022.