Polished fossil stromatolite . Carnegia wongawolensis CAR102. stromatolite KU112 Kunzite (pink spodumene) thick

KU112  Kunzite  (pink spodumene) thick slab

190 mm x 90 mm x 10 mm thick

It weighs 10

60 mm x 35 mm  x 30 mm

7 billion years

Polished fossil stromatolite . Carnegia wongawolensis CAR102. stromatolite KU112 Kunzite (pink spodumene) thickCAR102. 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