Polished Green Opal slab GRN97.
Regular price
$30.00
Plus 10% GST in Australia
GRN97 Green Opal & Magnesite slab, cut and polished on one side .
Dimensions at widest points approximately 115 mm x 70 mm x 12 mm thick
Weighs 128 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..