Polished Green Opal display specimen GRN81 brecciated Quartz vein intrusion in this

Quartz vein intrusion in this piece

Axinite is grey

Small quartz crystals visible in cavity

From our mining claim on Wyloo Station

Polished Green Opal display specimen GRN81 brecciated Quartz vein intrusion in thisGRN81 Green Opal & Magnesite rough rock, cut and polished on one side with a rough, naturally weathered back and a cut base to stand on. Dimensions at widest points approximately 155 mm x 80 mm x 60 mm thick Weighs 1,216 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