Polished Marble Bar Chert slab MB102 Brecciated Mookaite 200 mm x 65 mm

200 mm x 65 mm  x 10 mm

With white Quartz vein

Weight is 509 grams

DO184  Dendritic Opal slab polished on one side

85 mm x 65 mm x 30 mm thick

Polished Marble Bar Chert slab MB102 Brecciated Mookaite 200 mm x 65 mmMB102 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