Polished Chert Breccia slab CB115 striped DO163 Dendritic Opal slab

DO163  Dendritic Opal slab

Dimensions at widest points approximately 100 mm x 80 mm x 50 mm thick

60 mm x 45 mm  x 16 mm

near Port Hedland

Dimensions at widest points approximately 125 mm high x 95 mm  x 40 mm thick

Polished Chert Breccia slab CB115 striped DO163 Dendritic Opal slabCB115 Chert Breccia slab, cut and polished on one side . Dimensions at widest points approximately 200 mm x 135 mm x 7. 5 mm thick. Weighs 416 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.