Polished Marble Bar Chert slab MB123 polished magneprase Dimensions approximately 200 mm x

Dimensions approximately 200 mm x 155 mm x 10 mm thick

Dimensions at widest points approximately 190 mm x 160 mm x 37 mm thick

SU162 Sunset Jasper slab

POT137  Tumble polished Pink Opal from Mooka Creek

Polished Marble Bar Chert slab MB123 polished magneprase Dimensions approximately 200 mm xMB123 Marble Bar Chert slab polished on one side . Dimensions at widest points approximately 140 mm x 100 mm x 8. 5 mm thick. Weighs 279 grams. Marble Bar chert is a finely banded, iron rich silica rock from the Marble Bar Chert Member (Warrawoona Group) of Western Australia. Formed in shallow Archean seas, it dates to the Paleoarchean (~3. 46 billion years old), making it one of the Earths oldest well preserved sedimentary rocks. From near the town