Tennantite (original) (raw)

(Cu,Fe)12(As,Sb)4S13

This sample is labeled as tennantite-tetrahedrite and is displayed in the Smithsonian Museum of Natural History. Tennantite is a sulfide mineral of copper, iron, arsenic and antimony with the composition (Cu,Fe)12(As,Sb)4S13 . This sample is about 20x18 cm and is from El Cobre, Chihuahua, Mexico . This sample is formed with quartz and tetrahedrite.