Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 polished rock Blue Lepidolite rough rock

Blue Lepidolite rough rock

CC119  Chrome chalcedony slab

190 mm x 160 mm x 9 mm thick

140 mm x 125 mm x 40 mm thick

BA105  Polished Brazilian Agate slab

Polished fossil stromatolite. Pseudogymnosolenid type. DOG165 polished rock Blue Lepidolite rough rockDOG165 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