Polished Marble Bar Chert MB107 oldest agate in the world KU114 Kunzite (pink spodumene) slab

KU114  Kunzite  (pink spodumene) slab

MK537   Mookaite

Dimensions at widest points approximately 180 mm x 150 mm x 55 mm thick

Age is Palaeoproterozoic (1

Also called Lemon Chrysoprase

Polished Marble Bar Chert MB107 oldest agate in the world KU114 Kunzite (pink spodumene) slabMB107 Marble Bar Chert. Cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 105 mm x 60 mm x 50 mm thick. Weighs 520 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 sedimentary