Polished Green Opal rock GRN95 Marramamba Tiger Eye A bulk assortment of different

A bulk assortment of different sizes

Nice webbing

It comes from a different locality about 170 kilometres from the well known Brockman/ Marra Mamba tiger eye

It weighs 559 grams

Dimensions at widest points approximately 140 mm  x 80 mm wide x 8 mm thick

Polished Green Opal rock GRN95 Marramamba Tiger Eye A bulk assortment of differentGRN95 Green Opal & Magnesite rough rock, cut and polished on one side with a rough, naturally weathered back Dimensions at widest points approximately 190 mm x 100 mm x 90 mm thick Weighs 1,092 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.