Polished Golden Amphibolite slab GA164 #teredo The interesting cylindrical cavity is

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

CC157  Chrome chalcedony slab

TIR135 Tiger Iron rough rock

Dimensions at widest points approximately 90 mm x 60 mm x 30 mm thick

Dimensions at widest points approximately 175 mm x 75 mm x 9 mm thick

Polished Golden Amphibolite slab GA164 #teredo The interesting cylindrical cavity isGA164 A slab, polished on one side. Dimensions at widest points approximately 190 mm x 150 mm x 15 mm thick. Weighs 1,149 grams. The amphibolite, most likely grunerite , has now been largely altered to hematite, goethite and quartz and it displays a beautiful golden iridescence. Also called "Gold Leaf Stone". It occurs in the Pilbara region of Western Australia on Abydos Station approximately 120 km south of Port Hedland.