Polished Marble Bar Chert MB117 pilbara agate CH444 Chrysoprase slab polished on

CH444  Chrysoprase  slab polished  on one side

Weight 786 grams

MK516   Mookaite

75 mm x 30 mm x  20 mm

140 mm x 100 mm x 60 mm thick

Polished Marble Bar Chert MB117 pilbara agate CH444 Chrysoprase slab polished onMB117 Marble Bar Chert. Cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 210 mm x 140 mm x 100 mm thick. Weighs 3,604 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