GRN80 Green Opal & Magnesite slab, cut and polished on one side .
Dimensions at widest points approximately 230 mm x 100 mm x 25 mm thick
Weighs 880 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.
Polished Green Opal display specimen GRN82
$85.00... Plus 10% GST in Australia
Polished Green Opal display specimen GRN81
Polished Green Opal slab GRN79
$35.00... Plus 10% GST in Australia
Polished Green Opal rock GREEN78
$75.00... Plus 10% GST in Australia