Polished Green Opal rock GRN89 outback jasper AZ119 Azurite sun mineral specimen

AZ119  Azurite sun mineral specimen

Weighs 228 grams

Dimensions at widest points approximately 110 mm x 70 mm x 55 mm thick

Dimensions at widest point approximately 120 mm x 60 mm x 35 mm

A polished slab of Starry Jasper

Polished Green Opal rock GRN89 outback jasper AZ119 Azurite sun mineral specimenGRN89 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.