Polished fossil stromatolite. Alcheringa narrina. ALC150 polished snakeskin jasper cut & polished on one

cut & polished on one side

Dimensions at widest points approximately 220 mm x 120 mm x 20 mm thick

All reasonably uniform in size (roughly 20 - 30 mm diameter} A bulk assortment

Weighs 360 grams

Variscite rough rock

Polished fossil stromatolite. Alcheringa narrina. ALC150 polished snakeskin jasper cut & polished on oneALC150 Fossil stromatolite polished on one side with natural weathered exterior. Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation. Age is approx. 2. 7 billion years. From near Nullagine in Western Australia. Dimensions at widest points approx. 140 mm x 90 mm x 40 mm thick. Weighs 702 grams.