US$ 49.99
PA226 An Agate nodule
Weighs 163 grams
5" x 15" x 1
HEM127 Hematite geode half
Face is approximately 110mm x 55mm and 20mm thick
Polished Green Opal rock GREEN84 mookatite PA226 An Agate noduleGREEN84 Green Opal & Magnesite rough rock, cut and polished on one side with a rough, naturally weathered back Dimensions at widest points approximately 225 mm x 85 mm x 65 mm thick Weighs 1,315 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.