Polished Green Opal rock GRN111 red jasper Dimensions at widest points are

Dimensions at widest points are approximately 105 mm x 85 mm x 55 mm

The location it comes from is near Nullagine in the Pilbara region of Western Australia

80 mm x 80 mm x 50 mm thick

pale blue cleavelandite and pollucite

Polished Green Opal rock GRN111 red jasper Dimensions at widest points areGRN111 Green Opal rough rock, cut and polished on one side with a rough, naturally weathered back Dimensions at widest points approximately 145 mm x 60 mm x 55 mm thick Weighs 652 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.