Polished Marble Bar Chert MB110 Polished slab. Marble Bar chert is a

Marble Bar chert is a finely banded

Dimensions at widest points approximately 120 mm x 65 mm x 8 mm thick

Weighs 97 grams

Dimensions at widest points approximately 155 mm x 95 mm x 13 mm thick

150 mm x 100 mm x 7

Polished Marble Bar Chert MB110 Polished slab. Marble Bar chert is aMB110 Marble Bar Chert. Cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 110 mm x 55 mm x 45 mm thick. Weighs 339 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