Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 Green Opal It weighs 996 grams

It weighs 996 grams

Dimensions at widest points approximately 130 mm  x 30 mm x 6 mm thick

Weighs 185 grams

Weighs 802 grams

Dimensions approximately 105 mm x 55 mm x 11 mm thick

Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 Green Opal It weighs 996 gramsDOG168 Fossil stromatolite slab, polished on one side. 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. 85 mm x 85 mm x 10 mm thick. Weighs