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Polished Green Opal slab GRN99.

Regular price $35.00 Plus 10% GST in Australia

GRN99  Green Opal & Magnesite slab, cut and polished on one side .

Dimensions at widest points approximately 90 mm x 70 mm x 11 mm thick

Weighs 121 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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