Polished fossil stromatolite. Domal from Irregully formation IRR135 lace agate Dimensions at widest points approximately

Dimensions at widest points approximately 120 mm  x 40 mm wide x 55 mm thick

Dimensions at widest points approximately 170 mm x 105 mm x 8 mm thick

Dimensions at widest points approximately 85 mm x 55 mm x 55 mm thick

From Marillana station in the Pilbara region of Western Australia

Dimensions at widest points approximately 290 mm x 130 mm x 10 mm thick

Polished fossil stromatolite. Domal from Irregully formation IRR135 lace agate Dimensions at widest points approximatelyIRR 135 Fossil stromatolite rough rock, cut and polished on one side. Natural rough back ! Not formally identified but possibly Paniscollenia. Dimensions at widest points approximately 155 mm x 85 mm x 55 mm thick. It weighs 1,222 grams..