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XL109 Quartz crystal from the southern Pilbara
KO119 Killaloe Opal slab
120 mm x 120 mm x 9
Weight 306 grams
RH255 A slab
Polished De Grussa copper ore slab CO107 beryl XL109 Quartz crystal from theCO107 DeGrussa copper ore slab, polished on one side. A mix of copper minerals that formed in the upper oxidised zone. This piece has a lot of native copper ! Dimensions at widest points approximately 80 mm x 70 mm x 8 mm thick. Weighs: 145 grams A mix of copper minerals that formed in the upper oxidised zone. The Degrussa underground mine is a high grade copper deposit in Western Australia that commenced operation in 2012 and ceased mining in 2022.