Polished Tiger Eye TE439 crystoprase The interesting cylindrical cavities are

The interesting cylindrical cavities are all that remain of fossil belemnites which were a squid-like creature with a tapering torpedo or bullet shaped body

AZ147  Azurite sun mineral specimen

CLA267   Australian Crazy Lace Agate rough rock

55 mm x 50 mm  x 17 mm

70 mm x 45 mm  x 30 mm

Polished Tiger Eye TE439 crystoprase The interesting cylindrical cavities areTE439 Marra Mamba Tiger Eye rough rock, cut and polished on one side with a natural back. Dimensions at widest points approximately 95 mm x 75 mm x 30 mm thick. It weighs 353 grams. From the "Marra Mamba Iron Formation" near Mt. Brockman in the Pilbara region of Western Australia.