Polished Marble Bar Chert slab MB102 mookarite It weighs 110 grams

It weighs 110 grams

Dimensions at widest points approximately 130 mm x 80 mm x 40 mm thick

Dimensions at widest points approximately 165 mm  x 130 mm x 80 mm thick

Weighs 344 grams

Polished Marble Bar Chert slab MB102 mookarite It weighs 110 gramsMB102 Marble Bar Chert slab, polished on one side. Dimensions at widest points approximately 130 mm x 100 mm x 8. 6 mm thick. Weighs 248 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