Epidote, Quartz & Axinite slab EPI69 sskin DO171 Dendritic Opal rough rock

DO171  Dendritic Opal rough rock

South America

Not formally identified but possibly Paniscollenia

Dimensions at widest points approximately 120 mm x 70 mm x 60 mm thick

PC121 Chalcedony slab

Epidote, Quartz & Axinite slab EPI69 sskin DO171 Dendritic Opal rough rockEPI69 Epidote, Quartz & Axinite slab, cut and polished on one side. Epidote is the green mineral, Axinite is grey. Quartz is white. Dimensions 110 mm x 50 mm x 9 mm thick. Weighs 121 grams This stone occurs in the Pilbara region of Western Australia. It occurs as a single vein, no thicker than 250mm that cross cuts the Weeli Wolli formation, a banded iron formation, (commonly jaspilitic) which is also intruded by metadoleritic sills. The quartz