Description
x 18 mm thick
Approximate weight of each piece is between 78 and 177 grams
Each piece approximately 5-7 cm at widest points
DO154 Dendritic Opal rough rock
Polished De Grussa copper ore slab CO101 microbialite x 18 mm thickCO101 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