Polished Marble Bar Chert MB107 polished snakeskin jasper Dimensions at widest points approximately

Dimensions at widest points approximately 200 mm x 125 mm x 20 mm thick

Approximate dimensions at widest points 135 mm  x 80 mm  x 40 mm thick

It weighs 788 grams

Dimensions at widest points approximately 165 mm x 100 mm x 80 mm thick

Polished Marble Bar Chert MB107 polished snakeskin jasper Dimensions at widest points approximatelyMB107 Marble Bar Chert. Cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 105 mm x 60 mm x 50 mm thick. Weighs 520 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