US$ 40.00
Weighs 315 grams
OJ164 A rough rock
a small abandoned gold mining centre in the Midwest region of Western Australia
It weighs 265grams
Dimensions approximately 110 mm x 70 mm x 50 mm thick
Polished Green Opal slab GRN93. aquamarine Weighs 315 gramsGRN93 Green Opal & Magnesite slab, cut and polished on one side . Dimensions at widest points approximately 115 mm x 90 mm x 9 mm thick Weighs 155 grams. Green Opal occurs at a location south of Kalgoorlie in the Eastern Goldfields of Western Australia. The green colouration is caused by traces of nickel and or chromium. Sometimes it exhibits striking contrasting veins of magnesite..
US$ 40.00
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