Green Opal rough. GOR 120 dendrites Approximate dimensions at widest points fossil stromatolite It weighs 276 grams POT124
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Description
Green Opal rough. GOR 120 dendrites Approximate dimensions at widest points fossil stromatolite It weighs 276 grams POT124 Approximate dimensions at widest points 145 mm x 75 mm x 55 mm thick The green colouration is caused by traces of nickel and or chromium