Polished Chert Breccia CB120 brecciated 150 mm x 70 mm

150 mm x 70 mm x 55 mm

150 mm x 100 mm x 45 mm

CO101  DeGrussa copper ore slab

An unusual feature of some pieces are septarian structures with black colouration

Polished Chert Breccia CB120 brecciated 150 mm x 70 mmCB120 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.