Polished Chert Breccia CB114 Marra Mamba Dimensions at widest points approx

Dimensions at widest points approx

Weighs 236 grams

Weighs 672 grams

260 mm x 130 mm x 60 mm thick

Dimensions at widest points approximately 110 mm  x 110 mm x 6 mm thick

Polished Chert Breccia CB114 Marra Mamba Dimensions at widest points approxCB114. Chert Breccia thick slab, cut and polished on one side with a cut base to stand on. Dimensions at widest points approximately 170 mm x 125 mm x 30 mm thick. Weighs 941 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 400 kms. north of Perth.