Epidote, Quartz & Axinite slab EPI73 black jasper Dimensions at widest points approximately

Dimensions at widest points approximately 210 mm  x 80 mm x 6 mm thick

Weighs 267 grams

It weighs 586 grams

A domal stromatolite from the Proterozoic "Irregully Formation"

38 mm x 38 mm x 17 mm

Epidote, Quartz & Axinite slab EPI73 black jasper Dimensions at widest points approximatelyEPI73 Epidote, Quartz & Axinite slab, cut and polished on one side. Epidote is the green mineral, Axinite is grey. Quartz is white. Dimensions 95 mm x 65 mm x 10 mm thick. Weighs 153 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