Polished Chert Breccia CB104 polished snakeskin jasper Weighs 428 grams

Weighs 428 grams

Dimensions approximately 175 mm x 160 mm x 5 mm thick

The environment they grew in was possibly freshwater algal marshes

170 mm x 100 mm x 9 mm

All reasonably uniform in size (roughly 20 - 30 mm diameter} A bulk assortment

Polished Chert Breccia CB104 polished snakeskin jasper Weighs 428 gramsCB104. Chert Breccia slab, cut and polished on one side . Dimensions at widest points approximately 170 mm x 120 mm x 20 mm thick. Weighs 776 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.