Company Name | Pyrite |
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Website | https://en.wikipedia.org |
Snippet | The mineral pyrite (/ ˈ p aɪ r aɪ t /), or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS 2 (iron(II) disulfide). Pyrite is considered the most common form of sulfide minerals.. Pyrite's metallic luster and pale brass-yellow hue give it a superficial resemblance to gold, hence the well-known nickname of fool's gold.The color has also led to the ... |
Color | Pale brass-yellow reflective; tarnishes darker and iridescent |
Luster | Metallic, glistening |
Streak | Greenish-black to brownish-black |
Density | 4.8–5 g/cm3 |
Category | Sulfide mineral |
Cleavage | Indistinct on {001}; partings on {011} and {111} |
Fracture | Very uneven, sometimes conchoidal |
Tenacity | Brittle |
Twinning | Penetration and contact twinning |
Unit cell | a = 5.417 Å, Z = 4 |
Fusibility | 2.5–3 to a magnetic globule |
References | [1][2][3][4] |
Solubility | Insoluble in water |
Diaphaneity | Opaque |
Space group | Pa3 |
Formula mass | 119.98 g/mol |
Crystal class | Diploidal (m3) H-M symbol: (2/m 3) |
Crystal habit | Cubic, faces may be striated, but also frequently octahedral and pyritohedron. Often inter-grown, massive, radiated, granular, globular, and stalactitic. |
Crystal system | Isometric |
Specific gravity | 4.95–5.10 |
Dana classification | 2.12.1.1 |
Mohs scale hardness | 6–6.5 |
Other characteristics | paramagnetic |
Strunz classification | 2.EB.05a |
Formula.mw-parser-output .nobold{font-weight:normal}(repeating unit) | FeS2 |
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