Polished Chert Breccia CB104 agate Very rare fossil stromatolite slab

Very rare fossil stromatolite slab

Dimensions at widest points approximately 130 mm x 85  x 25 mm thick

Weighs 962 grams

170 mm x 100 mm x 9 mm

Dimensions at widest points approximately 200 mm x 50 mm x 10 mm thick

Polished Chert Breccia CB104 agate Very rare fossil stromatolite slabCB104. 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.