Polished fossil stromatolite. Carawine Dolomite CD108 tube agate 170 mm x 100 mm

170 mm x 100 mm x 40 mm thick

From an unassigned unit of the Wyloo Group

6  billion years

cut and polished on one side with a rough

105 mm x 75 mm x 7 mm thick

Polished fossil stromatolite. Carawine Dolomite CD108 tube agate 170 mm x 100 mmCD108 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