US$ 27.30
MC109 Marillana Conglomerate slab
Weighs 144 grams
PA263 Pilbara Agate rough rock
Dimensions at widest point approximately 120 mm x 70 mm x 9 mm
Polished Green Opal slab GRN87 slab MC109 Marillana Conglomerate slabGRN87 Green Opal & Magnesite slab, cut and polished on one side . Dimensions at widest points approximately 110 mm x 80 mm x 10 mm thick Weighs 171 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$ 27.30
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