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The mineral pyrite (/ˈpaɪraɪt/ PY-ryte), or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2 (iron (II) disulfide). Pyrite is the most abundant sulfide mineral.
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mineral gold also iron sulfide oxidation marcasite material form used found crystals fes2 crystal sulfate sulfur acid arsenopyrite structure ions
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Pyrite | Category | Sulfide mineral | 1.00 | infobox |
| Pyrite | Cleavage | Indistinct on {001}; partings on {011} and {111} | 1.00 | infobox |
| Pyrite | Color | Pale brass-yellow reflective; tarnishes darker and iridescent | 1.00 | infobox |
| Pyrite | Crystal class | Diploidal (m3) H-M symbol: (2/m 3) | 1.00 | infobox |
| Pyrite | Crystal habit | Cubic, faces may be striated, but also frequently octahedral and pyritohedral. Often inter-grown, massive, radiated, granular, globular, and stalactitic. | 1.00 | infobox |
| Pyrite | Crystal system | Cubic | 1.00 | infobox |
| Pyrite | Dana classification | 2.12.1.1 | 1.00 | infobox |
| Pyrite | Density | 4.8–5 g/cm3 (0.17–0.18 lb/cu in) | 1.00 | infobox |
| Pyrite | Diaphaneity | Opaque | 1.00 | infobox |
| Pyrite | Formula | FeS2 | 1.00 | infobox |
| Pyrite | Formula mass | 119.98 g/mol | 1.00 | infobox |
| Pyrite | Fracture | Very uneven, sometimes conchoidal | 1.00 | infobox |
| Pyrite | Fusibility | 2.5–3 to a magnetic globule | 1.00 | infobox |
| Pyrite | IMA symbol | Py | 1.00 | infobox |
| Pyrite | Luster | Metallic, glistening | 1.00 | infobox |
| Pyrite | Mohs scale hardness | 6–6.5 | 1.00 | infobox |
| Pyrite | Other characteristics | Diamagnetic to paramagnetic A semiconductor with bandgap of 0.72 to 3.26 eV. | 1.00 | infobox |
| Pyrite | Solubility | Insoluble in water | 1.00 | infobox |
| Pyrite | Space group | Pa3 | 1.00 | infobox |
| Pyrite | Specific gravity | 4.95–5.10 | 1.00 | infobox |
| Pyrite | Streak | Greenish-black to brownish-black | 1.00 | infobox |
| Pyrite | Strunz classification | 2.EB.05a | 1.00 | infobox |
| Pyrite | Tenacity | Brittle | 1.00 | infobox |
| Pyrite | Twinning | Penetration and contact twinning | 1.00 | infobox |
| Pyrite | Unit cell | a = 5.417 Å, Z = 4 | 1.00 | infobox |
| Pyrite | is a | most abundant sulfide mineral.Pyrite's metallic luster and pale brass-yellow hue give it a superficial resemblance to gold | 0.90 | text |
| Pyrite | is a | semiconductor material with a band gap of 0.95 eV | 0.90 | text |
| Pyrite | is a | 2015 Gold King Mine waste water spill.2 FeS2 | 0.90 | text |
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