Polished fossil stromatolite slab. Asperia digitata YD119 John mookatite Dimensions at widest points approximately

Dimensions at widest points approximately 240 mm  x 180 mm x 15 mm thick

Dimensions at widest points approximately 110 mm x 85 mm x 8

100 mm x 70 mm x 50 mm thick

180 mm x 160 mm x 9

Dimensions at widest points approximately 120 mm x 75 mm x 10 mm thick

Polished fossil stromatolite slab. Asperia digitata YD119 John mookatite Dimensions at widest points approximatelyYD119. Fossil stromatolite 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. 300 mm x 140 mm x 10 mm thick. Weighs 1,063 grams.