Polished Marble Bar Chert slab MB111 crazy lace Approximate weight of each piece

Approximate weight of each piece is between 12 and 42 grams

Weighs 233 grams

SU182  Sunset Jasper slab

5  mm  thick

CH437  Chrysoprase  slab polished  on one side

Polished Marble Bar Chert slab MB111 crazy lace Approximate weight of each pieceMB111 Marble Bar Chert slab polished on one side . Dimensions at widest points approximately 135 mm x 120 mm x 9. 5 mm thick. Weighs 369 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