Polished Marble Bar Chert MB124 polished snakeskin jasper Dimensions approximately 120 mm x

Dimensions approximately 120 mm x 50 mm x 14 mm thick

Dimensions at widest points approximately 135 mm x 70 mm x 11 mm thick

TIR181 Tiger Iron rough rock

POP196   Brecciated Pink Opal rough rock

Dimensions at widest points approximately 120 mm x 90 mm x 55 mm thick

Polished Marble Bar Chert MB124 polished snakeskin jasper Dimensions approximately 120 mm xMB124 Marble Bar Chert. Cut and polished on one side with a rough, natural back and a cut base to stand as a display specimen ! Dimensions at widest points approximately 225 mm x 130 mm x 65 mm thick. Weighs 3,237 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