Polished Chert Breccia slab CB115 Polished dendritic opal PU128 Purple Chalcedony slab

PU128  Purple Chalcedony slab

Dimensions at widest points approximately 150 mm x 70 mm x 55 mm thick

Dimensions at widest points approximately 130 mm x 90 mm x 11 mm thick

Dimensions at widest points approximately 220 mm x 125 mm x 10 mm thick

GRN94  Green Opal & Magnesite rough rock

Polished Chert Breccia slab CB115 Polished dendritic opal PU128 Purple Chalcedony slabCB115 Chert Breccia slab, cut and polished on one side . Dimensions at widest points approximately 200 mm x 135 mm x 7. 5 mm thick. Weighs 416 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 200 miles north of Perth.