bornite
Sign in to saveBornite, also known as peacock ore, is a sulfide mineral with chemical composition that crystallizes in the orthorhombic system (pseudo-cubic). It is an important copper ore.
Key facts
- Mineral.name
- Bornite
- Mineral.category
- Sulfide mineral
- Mineral.image
- Bornite-Quartz-135210.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Lightly iridescent bornite crystal on quartz needles, from Kazakhstan
- Mineral.formula
- Cu5FeS4
- Mineral.IMAsymbol
- Bn
- Mineral.molweight
- 501.88 g/mol
- Mineral.strunz
- 2.BA.10
- Mineral.system
- Orthorhombic
- Mineral.class
- Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
- Mineral.symmetry
- Pbca
- Mineral.unit cell
- a = 10.95 Å, b = 21.862 Å, c = 10.95 Å; Z = 16
- Mineral.color
- Copper red, bronze brown, purple
- Mineral.habit
- Granular, massive, disseminated – Crystals pseudocubic, dodecahedral, octahedral
- Mineral.twinning
- Penetration twins on [111]
- Mineral.cleavage
- Poor on [111]
- Mineral.fracture
- Uneven to subconchoidal
via Wikipedia infobox
Article
10 sectionsContents
- Appearance
- Mineralogy
- Structure
- Composition
- Form and twinning
- Occurrence
- History and etymology
- See also
- References
- Bibliography
Bornite, also known as peacock ore, is a sulfide mineral with chemical composition that crystallizes in the orthorhombic system (pseudo-cubic). It is an important copper ore.
==Appearance== thumb|left|Tarnish of bornite Bornite has a brown to copper-red color on fresh surfaces that tarnishes to various iridescent shades of blue to purple in places. Its striking iridescence gives it the nickname peacock copper or peacock ore.