Polished Marble Bar Chert MB125 purple 85 mm x 45 mm

85 mm x 45 mm x 25 mm thick

Polished petrified wood

Dimensions at widest points approximately 130 mm x 65 mm x 9 mm thick

Weighs: 996 grams

110 mm x 75 mm x 30 mm

Polished Marble Bar Chert MB125 purple 85 mm x 45 mmMB125 Marble Bar Chert. Cut and polished on one side with a rough, natural back and a cut base to stand as a display specimen ! Dimensions at widest points approximately 185 mm x 150 mm x 70 mm thick. Weighs 3,631 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