Polished Golden Amphibolite slab GA140 chrysophase 2 billion years

2 billion years

Weighs 512 grams

Dimensions at widest points approximately 160 mm x 80 mm and 10 mm thick

Dimensions at widest points are approximately 180 mm x 80 mm x 50 mm

Dimensions at widest points approximately 180 mm x 125 mm x 11 mm thick

Polished Golden Amphibolite slab GA140 chrysophase 2 billion yearsGA140 A slab, polished on one side. Dimensions at widest points approximately 240 mm x 100 mm x 8 mm thick. Weighs 391 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.