Polished Marble Bar Chert MB106 outback jasper Dimensions approximately 130 mm x

Dimensions approximately 130 mm x 100 mm x 50 mm thick

Weighs 572 grams

Dimensions at widest points approximately 160 mm x 90 mm x 60 mm thick

Weight 146 grams

Polished Marble Bar Chert MB106 outback jasper Dimensions approximately 130 mm xMB106 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 160 mm x 120 mm x 45 mm thick. Weighs 1,607 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