Polished fossil stromatolite. Eucapsiphora leakensis. EUC135 Jasper polished on one side with

polished on one side with natural weathered exterior on rear

also known as Ashburton Agate

From Spargoville

5 mm thick at widest points

cut and polished  on one side

Polished fossil stromatolite. Eucapsiphora leakensis. EUC135 Jasper polished on one side withEUC135 Very rare fossil stromatolite slab polished on one side. Eucapsiphora leakensis. These small branching columnar stromatolites are from the Mount Leake Sandstone, Earaheedy Group, Western Australia. Location is near the town of Meekatharra. Age is Palaeoproterozoic (1. 6 to 2. 5 billion years). The environment they grew in was most probably a sandy tidal flat or braided river channel. Approx. 110 mm x 40 mm x 7 mm thick. 60 grams.