Polished Marble Bar Chert MB105 epidote cut and polished on one

cut and polished on one side with natural rough exterior

Dimensions at widest points approximately 250 mm x 140 mm x 50 mm thick

White feldspar interspersed

Dimensions at widest points approximately 90 mm x 65 mm x 22 mm thick

68 mm x 53 mm x 30 mm

Polished Marble Bar Chert MB105 epidote cut and polished on oneMB105 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 50 mm thick. Weighs 1,109 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