Polished fossil stromatolite. Pilbaria perplexa. PP118. crazy lace agate has now been largely altered

has now been largely altered to hematite

Dimensions at widest points approximately 170 mm x 120 mm x 12 mm thick

Dimensions at widest points approximately 90 mm x 50 mm x 30 mm thick

Dimensions approximately 100 mm x 40 mm x 8 mm thick

Very rare fossil stromatolite slab polished on one side

Polished fossil stromatolite. Pilbaria perplexa. PP118. crazy lace agate has now been largely alteredPP118. Fossil stromatolite slab, polished on one side. Pilbaria perplexa from the Proterozoic "Duck Creek Dolomite". Age is approx. 2 billion years. From near Paraburdoo in Western Australia. Approx. 380 mm x 40 180mm x 12mm thick. Lovely specimen. 1,675 grams.