Polished Marble Bar Chert MB124 polished slab Weighs 225 grams

Weighs 225 grams

PU162  Purple Chalcedony slab

Dimensions at widest points approximately 125 mm x 70 mm x 7 mm thick

180 mm x 120 mm x 40 mm thick

175 mm x 100 mm x 9 mm thick

Polished Marble Bar Chert MB124 polished slab Weighs 225 gramsMB124 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 225 mm x 130 mm x 65 mm thick. Weighs 3,237 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