Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 Polished dendritic opal Dimensions at widest points approximately

Dimensions at widest points approximately 175 mm x 100 mm x 6 mm thick

220 mm x 220 mm x 50 mm thick

Dimensions at widest points approximately 140 mm x 95 mm x 9 mm thick

From the mid-west region of Western Australia near the small gold mining centre of Payne's Find

Tumble polished Mookaite

Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 Polished dendritic opal Dimensions at widest points approximatelyDOG165 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