Polished Chert Breccia CB117 Chrome chalcedony Dimensions at widest points approximately

Dimensions at widest points approximately 120 mm x 65 mm x 12 mm thick

140 mm x 65 mm  x 9 mm

Weighs 180 grams

Dimensions at widest points approximately 105 mm x 90 mm x 7 mm thick

Polished Chert Breccia CB117 Chrome chalcedony Dimensions at widest points approximatelyCB117 Chert Breccia, cut and polished on one side with a natural rough back. Dimensions at widest points approximately 125 mm x 90 mm x 35 mm thick. Weighs 652 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.