Polished Marble Bar Chert MB115 sskin Weighs 532 grams

Weighs 532 grams

Approximate dimensions at widest points 160 mm  x 140 mm  x 90 mm thick

TI381   Tiger Iron rough rock

110 mm x 70 mm x 35 mm thick

DO198  Dendritic Opal slab polished on one side

Polished Marble Bar Chert MB115 sskin Weighs 532 gramsMB115 Marble Bar Chert. Cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 150 mm x 110 mm x 50 mm thick. Weighs 1,151 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