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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
natural back and a cut base to stand as a display specimen
BJ137 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)
230 mm x 115 mm x 10 mm
Dimensions at widest points approximately 90 mm high x 45 mm x 20 mm thick
Dimensions at widest points approximately 260 mm x 160 mm x 9
Polished De Grussa copper ore CO119 crazy lace agate natural back and a cutCO119 DeGrussa copper ore rough rock, cut and polished on one side with a cut back and cut base to sit on. Dimensions at widest points approximately 170 mm x 100 mm x 33 mm thick. Weighs: 1,499 grams A mix of copper minerals that formed in the upper oxidised zone. Consisting of dark green malachite, brown iron oxides, cuprite and black, metallic looking tenorite. The Degrussa underground mine is a high grade copper deposit in Western Australia that