Polished fossil stromatolite. Carawine Dolomite CD108 tube agate Dimensions at widest points approximately

Dimensions at widest points approximately 55 mm  x 50 mm wide x 5 mm thick

cut and polished on one side with a rough

5 mm thick at widest points

105 mm x 75 mm x 7 mm thick

Dimensions at widest points approximately 150 mm x 70 mm x 50 mm thick

Polished fossil stromatolite. Carawine Dolomite CD108 tube agate Dimensions at widest points approximatelyCD108 Fossil stromatolite, polished on one side with natural weathered exterior. Dimensions at widest points approx. 210 mm x 120 mm x 60 mm thick. Weighs 2,792 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