Polished Chert Breccia CB113 dendritic opal Dimensions approximately 85 mm x

Dimensions approximately 85 mm x 60 mm x 7 mm thick

CC130  Chrome chalcedony slab

Dimensions at widest points approximately 120 mm x 55 mm x 35 mm thick

Dimensions at widest points approximately 180 mm x 150 mm and 7

RH267  A slab

Polished Chert Breccia CB113 dendritic opal Dimensions approximately 85 mm xCB113. Chert Breccia rough rock, cut and polished on one side with a rough natural back and a cut base to stand on. Dimensions at widest points approximately 185 mm x 135 mm x 60 mm thick. Weighs 1,809 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