Polished Marble Bar Chert slab MB126 #brecciated pink opal Dimensions at widest points approximately

Dimensions at widest points approximately 210 mm x 165 mm x 11 mm thick

Dimensions at widest points approximately 140 mm x 95 mm x 10 mm

A bulk assortment

TI262   Tiger Iron slab

OPS107  Opalised Serpentine slab

Polished Marble Bar Chert slab MB126 #brecciated pink opal Dimensions at widest points approximatelyMB126 Marble Bar Chert slab polished on one side . Dimensions at widest points approximately 280 mm x 150 mm x 12 mm thick. Weighs 857 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