Polished Marble Bar Chert slab MB122 polished jasper Weighs 674 grams

Weighs 674 grams

70 mm x 80 mm x 30 mm thick

Dimensions at widest points approximately 140 mm x 130 mm x 80 mm thick

Weight  is 928 grams

Polished Marble Bar Chert slab MB122 polished jasper Weighs 674 gramsMB122 Marble Bar Chert slab polished on one side . Dimensions at widest points approximately 120 mm x 100 mm x 9. 5 mm thick. Weighs 273 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