AgAuTe₄

This sample of sylvanite is displayed in the Smithsonian Museum of Natural History. Sylvanite is a mineral composed of gold, silver and tellurium. It has the composition AgAuTe₄. This sample is about 20 cm wide and is from Sacaramb, Romania.

This sample of sylvanite is about 30cm long and is from Cressan mine, Cripple Creek, Colorado.