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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
The interesting cylindrical cavity is all that remain of a fossil belemnite which was a squid-like creature with a tapering torpedo or bullet shaped body
At widest points approx
Diameter approx
Dimensions at widest points approximately 190 mm x 70 mm x 9 mm thick
DO184 Dendritic Opal slab polished on one side
Polished De Grussa copper ore slab CO120 #googleimages The interesting cylindrical cavity isCO120 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 145 mm x 110 mm x 10 mm thick. Weighs: 447 grams A mix of copper minerals that formed in the upper oxidised zone. Consisting of dark green malachite, tenorite, minor cuprite 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.