Polished Chert Breccia CB104 polished snakeskin Large reserves of this stone

Large reserves of this stone occur in Western Australia

Age is approx

The porphyry pictured here has pinkish coloured clinozoisite crystals set in a ground mass of dolerite

220 mm x 125 mm x 9 mm thick

130 mm x 90 mm x 5 mm thick

Polished Chert Breccia CB104 polished snakeskin Large reserves of this stoneCB104. Chert Breccia slab, cut and polished on one side . Dimensions at widest points approximately 170 mm x 120 mm x 20 mm thick. Weighs 776 grams. This breccia consists of innumerable angular fragments of assorted rock types but predominantly jasper, quartz and chert. It occurs in the Pinyalling Hills which are located in the midwest region of Western Australia, approximately 200 miles north of Perth.