Bornite is a copper iron sulfide mineral commonly found in hydrothermal veins, contact metamorphic rocks and in the enriched zone of sulfide copper deposits. It is a common ore of copper and is easily recognized because it tarnishes to iridescent shades of blue, purple, green and yellow. It is often mined as an ore of copper.
 |
Bornite |
Physical Properties
Physical Properties of Bornite |
Chemical Classification | sulfide |
Color | brownish bronze on a fresh surface, iridescent purple, blue, and black on a tarnished surface |
Streak | grayish black |
Luster | metallic |
Diaphaneity | opaque |
Cleavage | poor |
Mohs Hardness | 3 |
Specific Gravity | 5.0 to 5.1 |
Diagnostic Properties | color |
Chemical Composition | copper iron sulfide, Cu5FeS4 |
Crystal System | tetragonal |
Uses | Primarily an ore of copper. |
Sources:
Geology.com
No comments:
Post a comment