US$ 4452.50
120 mm x 120 mm x 9
Weighs 294 grams
Weighs 483 grams
Weighs: 287 grams
Dimensions at widest points approximately 95 mm x 95 mm x 75 mm thick
Polished Green Opal slab GRN90 prehnite 120 mm x 120 mmGRN90 Green Opal & Magnesite slab, cut and polished on one side . Dimensions at widest points approximately 200 mm x 100 mm x 16 mm thick Weighs 442 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$ 4452.50
US$ 12222.00