Polished Green Opal rock GRN89 Jasper cut and polished on one

cut and polished  on one side with a natural rough back

Rare mini marshmallows in this one :)

From our mining claim

Dimensions at widest points approximately 200 mm x 50 mm x 10 mm thick

Dimensions at widest points approximately 195 mm x 85 mm x 65 mm thick

Polished Green Opal rock GRN89 Jasper cut and polished on oneGRN89 Green Opal & Magnesite rough rock, cut and polished on one side with a rough, naturally weathered back Dimensions at widest points approximately 210 mm x 60 mm x 65 mm thick Weighs 1,406 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.