Polished Marble Bar Chert slab MB102 Brecciated Mookaite BM324 Brecciated Mookaite slab

BM324  Brecciated  Mookaite slab

Dimensions at widest points approximately 75 mm x 35 mm x 30 mm thick

Dimensions at widest points approximately 95 mm x 90 mm x 7 mm thick

200 mm x 65 mm  x 10 mm

Weight is 509 grams

Polished Marble Bar Chert slab MB102 Brecciated Mookaite BM324 Brecciated Mookaite slabMB102 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