Polished Marble Bar Chert MB124 aquamarine GRN96 Green Opal & Magnesite

GRN96  Green Opal & Magnesite rough rock

PC129 Chalcedony slab

Dimensions  28 cm x 23 cm x 2

It occurs in the Pinyalling Hills which are located in the Midwest region of Western Australia

Dimensions at widest points approximately 200 mm  x 105 mm x 9 mm thick

Polished Marble Bar Chert MB124 aquamarine GRN96 Green Opal & MagnesiteMB124 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 225 mm x 130 mm x 65 mm thick. Weighs 3,237 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