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..
