Polished fossil stromatolite . Carnegia wongawolensis CAR102. stand ups with a small crystal lined

with a small crystal lined cavity

Wyloo Agate

Weight  is 405 grams

OJ127  A slab

Dimensions approximately 160 mm x 95 mm x 12 mm thick

Polished fossil stromatolite . Carnegia wongawolensis CAR102. stand ups with a small crystal linedCAR102. Fossil stromatolite slab, polished on one side. Carnegia wongawolensis. These rare stromatolites are from the Windidda Formation, Earaheedy Group, Western Australia. They usually occur as weathered out nodules formed by branched, irregular columns. The environment they grew in was possibly freshwater algal marshes. Location is near the town of Wiluna, Western Australia. Age is Palaeoproterozoic (1. 6 to 2. 5 billion years). Approx. 210 mm x 70