Polished Dendritic Opal slab DO184 agate grinding or polishing as the

grinding or polishing as the matrix holding the pisolites (small round pebbles) is in many cases quite soft

The interesting cylindrical cavity is all that remain of a fossil belemnite which was a squid-like creature with a tapering torpedo or bullet shaped body

Weight of box and contents 1

Weight  is 456 grams

Pilbaria perplexa from the Proterozoic "Duck Creek Dolomite"

Polished Dendritic Opal slab DO184 agate grinding or polishing as theDO184 Dendritic Opal slab polished on one side. Dark blue dendrites ! Dimensions at widest points approximately 140 mm x 70 mm x 8 mm thick Weighs 141 grams From our mining claims near Ora Banda in the Eastern Goldfields region of Western Australia.