Polished Marble Bar Chert slab MB111 Rhodo cut and polished on one

cut and polished on one side with a natural rough exterior

Weighs 373 grams

Dimensions at widest points approximately 45 mm x 43 mm x 15 mm thick

Weighs 249 grams

CH451  Dendritic Chrysoprase slab

Polished Marble Bar Chert slab MB111 Rhodo cut and polished on oneMB111 Marble Bar Chert slab polished on one side . Dimensions at widest points approximately 135 mm x 120 mm x 9. 5 mm thick. Weighs 369 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