Polished Chert Breccia CB117 Chrome chalcedony Approximate dimensions at widest points

Approximate dimensions at widest points 75 mm  x 55 mm  x 40 mm thick

110 mm x 75 mm x 30 mm

Dimensions at widest points approximately 140 mm x 100 mm x 65 mm thick

PG131  Pegmatite slab

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

Polished Chert Breccia CB117 Chrome chalcedony Approximate dimensions at widest pointsCB117 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.