glittering marra mamba - a rare type of tiger iron from pilbara, australia.

ancient archaic australia banded beautiful brockman chatoyancy chert collectable covered craton cropped deposits desk face formations geology glittering goethite golden gorgeous hydration iron jaspilite light mamba marra martinite mineral mount nature northwest ocean old one ore oxide oxides oxygen paperweight pilbara polished quartz rare reflections results rich riebeckite rock scientific sedimentary silica sodium specular stone tiger type varnish western wife