Polished De Grussa copper ore slab CO138 crystoprase Dimensions approximately 110 mm x

Dimensions approximately 110 mm x 70 mm x 50 mm thick

Rough Lime Magnesite

Weighs 221 grams

Dimensions at widest points approximately 95 mm x 75 mm x 40 mm thick

PU172  Purple Chalcedony slab

Polished De Grussa copper ore slab CO138 crystoprase Dimensions approximately 110 mm xCO138 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 240 mm x 120 mm x 11 mm thick. Weighs: 705 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.