Polished Marble Bar Chert MB110 Rough rock Weight is 456 grams

Weight  is 456 grams

68 mm x 53 mm x 30 mm

Dimensions at widest points approximately 150 mm x 85 mm x 70 mm thick

Dimensions at widest points approximately 75 mm x 50 mm x 28 mm thick

Dimensions approximately 65 mm x 60 mm x 25 mm thick

Polished Marble Bar Chert MB110 Rough rock Weight is 456 gramsMB110 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