Levien?
brown to copper-red color
Bornite is a sulfide mineral, it is an important copper ore mineral and occurs widely in porphyry copper deposits along with the more common chalcopyrite.
The mineral is called bornite.
Metallic Bond .
Bornite
A mineral
Levien?
Bornite
It is used to extract copper.
Yes it does:)
It has been reported since 1725, but in 1845 it was named for Austrian mineralogist Ignaz von Born http://en.wikipedia.org/wiki/Bornite
brown to copper-red color
Bornite is a sulfide mineral, it is an important copper ore mineral and occurs widely in porphyry copper deposits along with the more common chalcopyrite.
The mineral is called bornite.
Bornite, Copper Iron Sulfide
No, perhaps you are thinking of bornite http://www.webmineral.com/data/Bornite.shtml