Polished Chert Breccia slab CB119 magneprase Dimensions at widest points approximately

Dimensions at widest points approximately 240 mm  x 160 mm x 10 mm thick

Weight of both is 150 grams

Dimensions at widest points approximately 130 mm x 80 mm x 16 mm thick

Dimensions at widest points approximately 150 mm x 110 mm x 50 mm thick

Weighs 931 grams

Polished Chert Breccia slab CB119 magneprase Dimensions at widest points approximatelyCB119 Chert Breccia polished thick slab with a cut base. Dimensions at widest points approximately 200 mm x 170 mm x 30 mm thick. Weighs 1,807 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.