US$ 7099.50
130 mm x 115 mm x 8
190 mm x 190 mm x 70 mm
From near Paynes Find in the Midwest region
Weighs 420 grams
120 mm x 95 mm x 6
Polished Marble Bar Chert MB103 chrysoprase 130 mm x 115 mmMB103 Marble Bar Chert. Cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 160 mm x 100 mm x 75 mm thick. Weighs 1,205 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
US$ 7099.50
US$ 5149.50
US$ 7999.50