Polished fossil stromatolite slab. Asperia digitata YD120 John mookatite 160 mm x 85 mm

160 mm x 85 mm  x 9 mm

Dimensions at widest points approximately 140 mm x 120 mm x 70 mm thick

Dimensions at widest points approximately 80 mm x 60 mm x 15 mm thick

Dimensions approximately 150mm x 110mm x 10mm thick

Approximate dimensions at widest points 200 mm  x 95 mm  x 11 mm thick

Polished fossil stromatolite slab. Asperia digitata YD120 John mookatite 160 mm x 85 mmYD120. Fossil stromatolite thick slab polished on one side. Asperia digitata (formerly Yelma digitata) from the Proterozoic "Yelma Formation". Age is approx. 1. 7 billion years. From near Wiluna in Western Australia. Dimensions approx. 270 mm x 140 mm x 35 mm thick. Weighs 3,376 grams.