US$ 17.99
Weight is 668 grams
190 mm x 90 mm x 10 mm thick
From near Tamworth
Total weight of both is 255 grams
Natural back
Polished Green Opal rock GRN89 toredo Weight is 668 gramsGRN89 Green Opal & Magnesite rough rock, cut and polished on one side with a rough, naturally weathered back Dimensions at widest points approximately 210 mm x 60 mm x 65 mm thick Weighs 1,406 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.
US$ 17.99
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