Polished fossil stromatolite. Alcheringa narrina. ALC156 Rain Forest Jasper Dimensions at widest points approximately

Dimensions at widest points approximately 105 mm x 100 mm x 9 mm thick

CC119  Chrome chalcedony slab

SPF129   Fossil stromatolite

OG151   Polished orbicular granite with natural rough back

Polished fossil stromatolite. Alcheringa narrina. ALC156 Rain Forest Jasper Dimensions at widest points approximatelyALC156 Fossil stromatolite , polished on one side with natural weathered exterior on rear. Museum quality specimen ! 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. 300 mm x 205 mm x 50 mm thick. Weighs 4,730 grams.