Polished fossil stromatolite. Pseudogymnosolenid type. DOG166 oldest agate in the world Dimensions approximately 175 mm x

Dimensions approximately 175 mm x 160 mm x 5 mm thick

Dimensions approximately 185mm x 130mm x approx  9mm thick

Green Beryl

5 billion years)

Weighs 246 grams

Polished fossil stromatolite. Pseudogymnosolenid type. DOG166 oldest agate in the world Dimensions approximately 175 mm xDOG166 Fossil stromatolite slab, polished on one side. Superb museum quality specimen ! An as yet unidentified stromatolite, form of Pseudogymnosolenid type. The stromatolite occurs as small digitate columns which are finely laminated. It probably grew in shallow water conditions with intermittent subaerial exposure. From an unassigned unit of the Wyloo Group. Age is approx. 1. 8 billion years. From south west of Newman Western Australia. Approx. 280