Polished Marble Bar Chert slab MB129 asperia 8 pieces rough Mookaite

8  pieces rough Mookaite

110 mm  x 80 mm  x 30 mm

120 mm x 90 mm x 45 mm

Dimensions at widest points approximately 85 mm x 40 mm x 40 mm thick

Weight  is 668 grams

Polished Marble Bar Chert slab MB129 asperia 8 pieces rough MookaiteMB129 Marble Bar Chert slab polished on one side . Dimensions at widest points approximately 255 mm x 110 mm x 10 mm thick. Weighs 568 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 rocks. From near the town of