Polished Marble Bar Chert MB125 rock block Dimensions at widest points approximately

Dimensions at widest points approximately 180 mm x 80 mm x 60 mm thick

Weighs 732 grams

RH293  A slab

cut and polished on one side with a natural back and cut base to sit on

It weighs 996 grams

Polished Marble Bar Chert MB125 rock block Dimensions at widest points approximatelyMB125 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