Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 Green Opal Dimensions approximately 105 mm x

Dimensions approximately 105 mm x 55 mm x 11 mm thick

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

B229  Black Jasper Conglomerate slab

80 mm x 65 mm x 45 mm

TI349  Tiger Iron slab

Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 Green Opal Dimensions approximately 105 mm xDOG168 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