Polished Green Opal rock GREEN76 magneprase Peanut Wood slab

Peanut Wood slab

Dimensions at widest points approximately 170 mm x  120 mm x 20 mm thick

145 mm x 90 mm x 9 mm

Dimensions approximately 180 mm x 70 mm x 7 mm thick

It weighs 265grams

Polished Green Opal rock GREEN76 magneprase Peanut Wood slabGREEN76 Green Opal & Magnesite rough rock, cut and polished on one side with a rough, naturally weathered back Dimensions at widest points approximately 130 mm x 130 mm x 50 mm thick Weighs 1,238 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.