Polished fossil stromatolite. Pseudogymnosolenid type. DOG167 purple lepidolite Dimensions at widest points approximately

Dimensions at widest points approximately 105 mm x 90 mm x 70 mm deep

Dimensions approximately 170 mm x 110 mm x 11

CC121  Chrome chalcedony slab

This museum quality specimen has been cut at right angles to the bedding and displays the columnar structure beautifully

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

Polished fossil stromatolite. Pseudogymnosolenid type. DOG167 purple lepidolite Dimensions at widest points approximatelyDOG167 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. 145 mm x 60 mm x 8. 5 mm thick.