Polished Chert Breccia CB120 Polished slab. Each piece approximately 4 -

Each piece approximately 4 - 5 cm at widest points

80 mm x 70 mm x 45 mm thick

Weighs  568 grams

Dimensions at widest points range from 30 to 60 mm

Weight 586 grams

Polished Chert Breccia CB120 Polished slab. Each piece approximately 4 -CB120 Chert Breccia, cut and polished on one side with a partial natural rough back and cut to sit as a display specimen. Dimensions at widest points approximately 160 mm x 110 mm x 45 mm thick. Weighs 637 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.