GRN100 Green Opal & Magnesite slab, cut and polished on one side .
Dimensions at widest points approximately 160 mm x 75 mm x 11 mm thick
Weighs 283 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..
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Regular price $20.00... Plus 10% GST in Australia
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