Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 Polished dendritic opal 220 mm x 220 mm

220 mm x 220 mm x 50 mm thick

Large museum piece

Tumble polished Mookaite

Large crystal lined cavity

Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 Polished dendritic opal 220 mm x 220 mmDOG165 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. 285