Polished Marble Bar Chert MB124 Nickeloan magnesite OG204 A matching pair of

OG204   A matching pair of polished Orbicular Granite halves with natural rough backs

Dimensions at widest points approximately 125 mm x 90 mm x 9

DOT102  Tumble polished Dendritic Opal

Weighs:  272 grams

AZ166  Azurite sun mineral specimen

Polished Marble Bar Chert MB124 Nickeloan magnesite OG204 A matching pair ofMB124 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