Polished fossil stromatolite. Carawine Dolomite CD102 Polished dendritic opal 80 mm x 35 mm

80 mm x 35 mm  x 20 mm

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

Weighs 540 grams

Weighs 132 grams

It weighs 10

Polished fossil stromatolite. Carawine Dolomite CD102 Polished dendritic opal 80 mm x 35 mmCD102 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.