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The mineral pyrite (/ ˈ p aɪ r aɪ t / PY-ryte), [6] or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula Fe S 2 (iron (II) disulfide). Pyrite is the most abundant sulfide mineral .
Sulfide mineral, pyrite group: Formula (repeating unit) MnS 2: IMA symbol: Hr [1] Strunz classification: 2.EB.05a: Crystal system: Cubic: Crystal class: Diploidal (m 3) H–M symbol: (2/m 3) Space group: Pa 3: Unit cell: a = 6.107 Å; Z = 4: Identification; Formula mass: 119.07 g/mol: Color: Reddish brown or brownish black: Crystal habit ...
Sperrylite on chalcopyrite with magnetite, Oktyabersky Mine, Norilsk.Field of view 2.2 cm. Sperrylite is a platinum arsenide mineral with the chemical formula PtAs 2 and is an opaque metallic tin white mineral which crystallizes in the isometric system with the pyrite group structure.
Formula (repeating unit) FeS 2: IMA symbol: Mrc [1] Strunz classification: 2.EB.10a: ... This disintegration of marcasite in mineral collections is known as "pyrite ...
Formula (repeating unit) Fe 2+ 3 (PO 4) 2 ... space group C 2/m, with two formula units per unit ... The vivianite is intimately associated with pyrite and occurs as ...
The type of bonds found in the Pyrite group is covalent, but not in penroseite. For example, pyrite FeS 2, which has the same structure as penroseite and is thought to have similar coordination, has one Fe atom surrounded by six atoms of S, an octahedral coordination. On the other hand, the S atom is surrounded by 4 Fe atoms in a tetrahedral ...
The unit cell is twice as large, reflecting an alternation of Cu + and Fe 3+ ions replacing Zn 2+ ions in adjacent cells. In contrast to the pyrite structure chalcopyrite has single S 2− sulfide anions rather than disulfide pairs. Another difference is that the iron cation is not diamagnetic low spin Fe(II) as in pyrite.
Galena with baryte and pyrite from Cerro de Pasco, Peru; 5.8 cm × 4.8 cm × 4.4 cm (2.3 in × 1.9 in × 1.7 in) Galena is the main ore of lead, used since ancient times, [6] since lead can be smelted from galena in an ordinary wood fire. [7]