Polished Marble Bar Chert MB118 Citron chrysoprase TIR184 Tiger Iron rough rock

TIR184 Tiger Iron rough rock

ASP163   Fossil stromatolite slab

Fossil stromatolite rough rock

Dimensions at widest points approximately 160 mm x 120 mm x 45 mm thick

Dimensions at widest points approximately 160 mm x 140 mm x 14 mm thick

Polished Marble Bar Chert MB118 Citron chrysoprase TIR184 Tiger Iron rough rockMB118 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 140 mm x 120 mm x 60 mm thick. Weighs 2,000 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