Polished Marble Bar Chert slab MB123 magneprase KU115 Kunzite (pink spodumene) slab

KU115  Kunzite  (pink spodumene) slab

Dimensions at widest points approximately 340 mm x 250 mm  x 15 mm thick

SR102    Turee Creek spherulitic Rhyolite slab

Very unusual piece

PC116 Chalcedony/chrysoprase slab

Polished Marble Bar Chert slab MB123 magneprase KU115 Kunzite (pink spodumene) slabMB123 Marble Bar Chert slab polished on one side . Dimensions at widest points approximately 140 mm x 100 mm x 8. 5 mm thick. Weighs 279 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 rocks. From near the town