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Bornite, also known as peacock ore, is a sulfide mineral with chemical composition .mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output…
History & Measurement
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copper ore also mineral deposits important orthorhombic chalcopyrite sulfide system twinning found structure composition bronze crystals cu5fes4 references iridescent ores
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Bornite | Category | Sulfide mineral | 1.00 | infobox |
| Bornite | Cleavage | Poor on | 1.00 | infobox |
| Bornite | Color | Copper red, bronze brown, purple | 1.00 | infobox |
| Bornite | Crystal class | Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) | 1.00 | infobox |
| Bornite | Crystal habit | Granular, massive, disseminated – Crystals pseudocubic, dodecahedral, octahedral | 1.00 | infobox |
| Bornite | Crystal system | Orthorhombic | 1.00 | infobox |
| Bornite | Diaphaneity | Opaque | 1.00 | infobox |
| Bornite | Formula | Cu5FeS4 | 1.00 | infobox |
| Bornite | Formula mass | 501.88 g/mol | 1.00 | infobox |
| Bornite | Fracture | Uneven to subconchoidal | 1.00 | infobox |
| Bornite | IMA symbol | Bn | 1.00 | infobox |
| Bornite | Luster | Metallic if fresh, iridescent tarnish | 1.00 | infobox |
| Bornite | Mohs scale hardness | 3–3.25 | 1.00 | infobox |
| Bornite | Other characteristics | Magnetic after heating, iridescent | 1.00 | infobox |
| Bornite | Pleochroism | Weak but noticeable | 1.00 | infobox |
| Bornite | Refractive index | Opaque | 1.00 | infobox |
| Bornite | Space group | Pbca | 1.00 | infobox |
| Bornite | Specific gravity | 5.06–5.08 | 1.00 | infobox |
| Bornite | Streak | Grayish black | 1.00 | infobox |
| Bornite | Strunz classification | 2.BA.10 | 1.00 | infobox |
| Bornite | Tenacity | Brittle | 1.00 | infobox |
| Bornite | Twinning | Penetration twins on | 1.00 | infobox |
| Bornite | Unit cell | a = 10.95 Å, b = 21.862 Å, c = 10.95 Å; Z = 16 | 1.00 | infobox |
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