Polished Marble Bar Chert MB120 epidote 150 mm x 85 mm

150 mm x 85 mm  x 9

CW130   Chinese Writing Stone slab

NJ490  Noreena Jasper slab

135 mm x 110 mm x 10 mm thick and weighs 295 grams

Dimensions at widest points approximately 180 mm x 130 mm x 70 mm thick

Polished Marble Bar Chert MB120 epidote 150 mm x 85 mmMB120 Marble Bar Chert. Cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 130 mm x 60 mm x 50 mm thick. Weighs 490 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