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GRN88 Green Opal & Magnesite slab
115 mm x 90 mm x 8 mm thick and weighs 166 grams
Cut but not polished on one side
50 mm x 40 mm x 25 mm
Polished De Grussa copper ore slab CO133 pilbara agate GRN88 Green Opal & MagnesiteCO133 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 140 mm x 65 mm x 10 mm thick. Weighs: 232 grams A mix of copper minerals that formed in the upper oxidised zone. Consisting of blue chrysocolla, minor green malachite, 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.
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