Polished fossil stromatolite. Carawine Dolomite CD102 Polished dendritic opal Dimensions at widest points approximately

Dimensions at widest points approximately 250 mm x 130 mm and 9

Dimensions approx

80 mm x 35 mm  x 20 mm

Dimensions approximately 160 mm x 110 mm x approx  55 mm thick

polished on one side

Polished fossil stromatolite. Carawine Dolomite CD102 Polished dendritic opal Dimensions at widest points approximatelyCD102 Fossil stromatolite, polished on one side with natural weathered exterior. Dimensions at widest points approx. 180 mm x 100 mm x 35 mm thick. Weighs 984 grams. The "Carawine Dolomite" is a geological formation that occurs in numerous isolated areas in the eastern part of the Hamersley Basin in the Pilbara region of Western Australia. It contains numerous occurrences of stromatolites and oncolites with an age of between 2. 5 to 2. 6 billion years.