The chemical composition of Enargite is Cu3AsS4. This means that its mostly made up of Copper, Arsenic, and Sulfur. The molecular
weight of Enargite is 393.82 grams. Its in the orthorhombic system which is one of the seven lattice groups.

Enargite is also a copper ore. Enargite is found in Butte, Montana in the US. The mineral is normally found in low temperature deposits. Its name comes from the Greek “enarges;” translated that means obvious. . When people are looking for it, it stands out. Enargite is also a very valid species.

Enargite is a metallic gray/black color. Its fracture is uneven with a flat surface. Enargite luster is metallic. This minerals streak is black. Enargite is also not magnetic.

Bibliography

“Enargite mineral data” http://webmineral.com/data/Enargite.shtml 4/10/09
“Enargite” http://www.mindat.org/min-1380.html 4/10/09