Bornite
compound
Cu5FeS4
The iridescent copper ore nicknamed 'peacock ore' for its vivid purple and blue tarnish
Collectors prize bornite for its spectacular rainbow tarnish — no two specimens look the same.
Material
Gallery canvas set in a solid wood floating frame.
Frame
Black
$70.00
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See it on your wall
Shown true-to-size - a 8×10in piece scaled against real furniture.
Crystallography
| Catalogue identity | Bornite — F23 |
| Formula | Cu5FeS4 |
| Crystal system | orthorhombic |
| Space group | P b c a |
| Lattice (a, b, c) Å | 10.95, 21.862, 10.95 |
| Angles (α, β, γ) ° | 90, 90, 90 |
| Density (g/cm³) | 5.086 |
Structure data: Crystallography Open Database · Public domain (CC0)