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Polished Green Opal slab GRN93.

Regular price $40.00 Plus 10% GST in Australia

GRN93  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..

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