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Rosewood paper grain — description and returns beneath the overlapping buy card.
OJ164 A rough rock
Dimensions at widest points approximately 150 mm x 30 mm x 7
Dimensions approximately 150 mm x 115 mm x 11 mm thick
Weighs 129 grams
Huge museum quality display piece
Polished Green Opal rock GRN102 magneprase OJ164 A rough rockGRN102 Green Opal & Magnesite rough rock, cut and polished on one side with a rough, naturally weathered back Dimensions at widest points approximately 90 mm x 50 mm x 40 mm thick Weighs 340 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.