Polished Chert Breccia CB120 Polished slab. Dimensions at widest points approximately

Dimensions at widest points approximately 100 mm x 60 mm x 50 mm thick

Dimensions at widest points approximately 210 mm  x 70 mm x 7

Dimensions at widest points approximately 150 mm x 110 mm x 11 mm thick

Each piece approximately 4 - 5 cm at widest points

Weighs  568 grams

Polished Chert Breccia CB120 Polished slab. Dimensions at widest points approximatelyCB120 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.