Polished Golden Amphibolite slab GA164 tube agate Dimensions at widest points approximately

Dimensions at widest points approximately 200 mm x 130 mm x 40 mm thick

Dimensions approximately 380 mm x 230 mm x 21 mm thick

It weighs 251 grams

BJ134  Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

Dimensions approximately 190 mm x 100 mm x 8 mm thick

Polished Golden Amphibolite slab GA164 tube agate Dimensions at widest points approximatelyGA164 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.