Polished De Grussa copper ore slab CO101 microbialite XL109 Quartz crystal from the

XL109 Quartz crystal from the southern Pilbara

DO154 Dendritic Opal rough rock

Weighs 201 grams

Each piece approximately 5-7 cm at widest points

60 mm x 25 mm  x 18 mm

Polished De Grussa copper ore slab CO101 microbialite XL109 Quartz crystal from theCO101 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 440 mm x 220 mm x 17 20 mm thick. Weighs: 4,055 grams A mix of copper minerals that formed in the upper oxidised zone. Consisting of dark green malachite, bright blue chrysocolla, brown iron oxides and druzy quartz pockets The Degrussa underground mine is a high grade copper deposit in Western Australia that commenced operation in 2012 and ceased mining in