Bornite
Bornite, also known as peacock ore due to its iridescent colors, is a sulfide mineral that is an important ore of copper. It typically forms in igneous and metamorphic rocks and is often associated with chalcopyrite.

Category: Sulfides
Hardness: 3
Specific Gravity: 5
Luster: Metallic
Transparency: Opaque
Crystal System: Cubic
Cleavage: None
Fracture: Conchoidal
Composition: Cu5FeS4 (Copper Iron Sulfide)
Typical Size: Crystals up to several centimeters in length
Found In:
United States

Uses:
- Ore of copper
- Jewelry
- Mineral specimens for collectors
Bornite is believed to stimulate the mind, allowing one to think creatively. It is said to bring a sense of elation and joy to its wearer, helping to improve self-esteem and encourage the release of negativity.