Polished Marble Bar Chert MB124 Nickeloan magnesite AZ166 Azurite sun mineral specimen

AZ166  Azurite sun mineral specimen

DOT102  Tumble polished Dendritic Opal

Weighs 596 grams

RH308  Rhodonite rock

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

Polished Marble Bar Chert MB124 Nickeloan magnesite AZ166 Azurite sun mineral specimenMB124 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