Polished fossil stromatolite. Carawine Dolomite CD102 Polished dendritic opal Dimensions approximately 160 mm x

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

150mm x 110mm x 8mm thickness

It weighs 10

polished on one side

Conophyton garganicum australe from the Mesoproterozoic "Top Camp Formation"

Polished fossil stromatolite. Carawine Dolomite CD102 Polished dendritic opal Dimensions approximately 160 mm xCD102 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.