Polished Marble Bar Chert slab MB111 Rhodo Dimensions at widest points approximately

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

Dimensions at widest points approximately 170 mm  x 110 mm x 5

From our mining claim in the Pilbara region

( Almost no pyrite in this piece)  It was collected many years ago from a large open cut gold mine at Reedys near Cue in Western Australia

Dimensions at widest points are approximately 110 mm x 60 mm x 60 mm

Polished Marble Bar Chert slab MB111 Rhodo Dimensions at widest points approximatelyMB111 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