Polished Marble Bar Chert slab MB112 oldest agate in the world Snakeskin Jasper cut and polished

Snakeskin Jasper cut and polished on one side with a cut base to stand as a display specimen

Approximate dimensions at widest points 140 mm  x 60 mm  x 11 mm thick

Weighs: 970 grams

Dimensions at widest points approximately 110 mm x  90 mm x 45 mm thick

Polished Marble Bar Chert slab MB112 oldest agate in the world Snakeskin Jasper cut and polishedMB112 Marble Bar Chert slab polished on one side . Dimensions at widest points approximately 120 mm x 105 mm x 7 mm thick. Weighs 195 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