Polished fossil stromatolite. Alcheringa narrina. ALC150 polished snakeskin jasper Dimensions at widest points approximately

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

WAT105  Tumble polished Wyloo Agate

Variscite rough rock

Dimensions at widest points approximately 125 mm x 110 mm x 19 mm thick

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

Polished fossil stromatolite. Alcheringa narrina. ALC150 polished snakeskin jasper Dimensions at widest points approximatelyALC150 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.