Minerals containing iron
1,244 minerals
Iron — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Morimotoite | Ca₃(Ti,Fe²⁺,Fe³⁺)₂((Si,Fe³⁺)O₄)₃ | Cubic | 7.5 | — |
| Morozeviczite | (Pb,Fe)₃Ge₁-xS₄ | — | 3.5 | 6.62 g/cm³ |
| Mounanaite | PbFe³⁺₂(VO₄)₂(OH,F)₂ | — | 4.5 | — |
| Mountkeithite | [(Mg₁-xFe³⁺x)(OH)₂][SO₄]x/₂ * nH₂O | — | — | — |
| Murashkoite | FeP | Orthorhombic | — | 6.37 g/cm³ |
| Murataite-(Y) | (Y,Na)₆Zn(Zn,Fe³⁺)₄(Ti,Nb,Na)₁₂O₂₉(O,F,OH)₁₀F₄ | Cubic | — | — |
| Murunskite | K₂(Cu,Fe)₄S₄ | Tetragonal | — | — |
| Mushistonite | (Cu,Zn,Fe²⁺)[Sn(OH)₆] | Cubic | — | — |
| Muskoxite | Mg₇Fe³⁺₄(OH)₂₆·H₂O | Trigonal | — | — |
| Mössbauerite | Fe³⁺₆O₄(OH)₈(CO₃)·3H₂O | Trigonal | — | — |
| Müllerite | Pb₂Fe³⁺(Te⁶⁺O₆)Cl | Trigonal | — | — |
| Nabateaite | Fe₂P₂O₇ | Triclinic | — | 3.69 g/cm³ |
| Nafertisite | Na₃Fe²⁺₁₀Ti₂(Si₆O₁₇)₂O₂(OH)₆F(H₂O)₂ | Monoclinic | — | — |
| Nalivkinite | Li₂NaFe²⁺₇Ti₂Si₈O₂₆(OH)₄F | Triclinic | — | — |
| Nancyrossite | FeGeO₆H₅ | Tetragonal | — | — |
| Nanlingite | Na(Ca₅Li)Mg₁₂(AsO₃)₂[Fe(AsO₃)₆]F₁₄ | — | — | — |
| Naquite | FeSi | Cubic | — | 6.53 g/cm³ |
| Narsarsukite | Na₂(Ti,Fe³⁺)Si₄(O,F)₁₁ | Tetragonal | — | — |
| Nataliakulikite | Ca₄Ti₂(Fe³⁺,Fe²⁺)(Si,Fe³⁺,Al)O₁₁ | Orthorhombic | — | — |
| Natanite | Fe²⁺[Sn(OH)₆] | — | 4.7 | — |
| Natrojarosite | NaFe³⁺₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Natropharmacosiderite | (Na,K)Fe³⁺₄(AsO₄)₃(OH)₄ * 6-₇H₂O | Cubic | — | — |
| Natrowalentaite | [Fe³⁺₀.₅Na₀.₅(H₂O)₆][NaAs³⁺₂(Fe³⁺₂.₃₃W₆+₀.₆₇)(PO₄)₂O₇] | Orthorhombic | — | — |
| Naujakasite | (Na,K)₆(Fe²⁺,Mn²⁺,Ca)(Al,Fe)₄Si₈O₂₆ | — | — | — |
| Navajoite | Fe³⁺V₅+₉O₂₄ * 12H₂O | Monoclinic | — | — |
| Nazarchukite | Ca₂NiFe³⁺₂(PO₄)₄ | Orthorhombic | — | — |
| Nealite | Pb₄Fe(AsO₃)₂Cl₄·2H₂O | Triclinic | 4.0 | — |
| Nelenite | (Mn,Fe)₁₆(Si₁₂O₃₀)(OH)₁₄[As³⁺₃O₆(OH)₃] | — | — | — |
| Neptunite | Na₂KLiFe²⁺₂Ti₂Si₈O₂₄ | Monoclinic | — | — |
| Neskevaaraite-Fe | NaK₃Fe(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | — | — | — |
| Nickelphosphide | (Ni,Fe)₃P | Tetragonal | — | — |
| Nickelskutterudite | (Ni,Co,Fe)As₃ | Cubic | — | — |
| Nickeltsumcorite | Pb(Ni,Fe³⁺)₂(AsO₄)₂(H₂O,OH)₂ | Monoclinic | 4.0 | 5.02 g/cm³ |
| Nickenichite | (Na,Ca,Cu)₁.₆(Mg,Fe,Al)₃(AsO₄)₃ | — | 3.0 | 4.06 g/cm³ |
| Nickolayite | FeMoP | Orthorhombic | — | 8.51 g/cm³ |
| Nigelcookite | PbFe²⁺₂V³⁺₂(PO₄)₃(OH)₃ | Monoclinic | — | — |
| Nikischerite | Fe²⁺₆Al₃(OH)₁₈[Na(H₂O)₆](SO₄)₂ * 6H₂O | — | 2.0 | — |
| Nikmelnikovite | Ca₁₂Fe²⁺Fe³⁺₃Al₃(SiO₄)₆(OH)₂₀ | Trigonal | — | — |
| Nioboaeschynite-(Y) | (Y,REE,Ca,Th,Fe)(Nb,Ti,Ta)₂(O,OH)₆ | Orthorhombic | — | — |
| Nioboixiolite-(Fe²⁺) | Nb₂Fe²⁺O₆ | Orthorhombic | — | — |
| Niobophyllite | (K,Na)₃(Fe,Mn)₆(Nb,Ti)₂Si₈(O,OH,F)₃₁ | — | — | — |
| Nipeiite-(Ce) | Ce₉Fe³⁺(SiO₄)₆[SiO₃(OH)](OH)₃ | Trigonal | — | — |
| Nolanite | V³⁺₈Fe³⁺₂O₁₄(OH)₂ | Hexagonal | — | — |
| Nontronite | Na₀.₃Fe₂((Si,Al)₄O₁₀)(OH)₂ * nH₂O | Monoclinic | — | — |
| Normandite | NaCa(Mn,Fe)(Ti,Nb,Zr)(Si₂O₇)OF | Monoclinic | — | — |
| Nukundamite | Cu₃.₄Fe₀.₆S₄ | Trigonal | 3.0 | — |
| Obradovicite-KCu | [K₂(H₂O)₁₇Cu(H₂O)₆][Mo₈As₂Fe³⁺₃O₃₄(OH)₃] | Orthorhombic | — | — |
| Obradovicite-NaCu | [Na₂(H₂O)₁₇Cu(H₂O)₆][Mo₈As₂Fe³⁺₃O₃₄(OH)₃] | Orthorhombic | — | — |
| Obradovicite-NaNa | [Na₂(H₂O)₁₆Na(H₂O)₆][Mo₈As₂Fe³⁺₃O₃₃(OH)₄] | Orthorhombic | — | — |
| Odinite | (Fe,Mg,Al,Fe,Ti,Mn)₂.₄((Si,Al)₂O₅)(OH)₄ | Monoclinic | — | — |
| Ogdensburgite | Ca₂Fe³⁺₄(Zn,Mn²⁺)(AsO₄)₄(OH)₆·6H₂O | — | — | — |
| Ohmilite | Sr₃(Ti,Fe³⁺)(Si₂O₆)₂(O,OH)·2H₂O | Monoclinic | — | — |
| Ojuelaite | ZnFe³⁺₂(AsO₄)₂(OH)₂·4H₂O | Monoclinic | 3.0 | — |
| Oldsite-(K) | K₂Fe²⁺[(UO₂)(SO₄)₂]₂(H₂O)₈ | Orthorhombic | — | — |
| Olmsteadite | KFe²⁺₂(Nb₅+,Ta₅+)(PO₄)₂O₂ * 2H₂O | — | 4.0 | — |
| Olsenite | KFe₄(PO₄)₃ | Orthorhombic | — | — |
| Omariniite | Cu₈Fe₂ZnGe₂S₁₂ | Orthorhombic | — | — |
| Ominelite | (Fe²⁺,Mg)(Al,Fe³⁺)₃(SiO₄)(BO₃)O₂ | Orthorhombic | — | — |
| Omphacite | (Ca,Na)(Mg,Fe,Al)Si₂O₆ | Monoclinic | — | — |
| Omsite | Ni₂Fe³⁺(OH)₆[Sb(OH)₆] | Trigonal | — | — |
| Oneillite | Na₁₅Ca₃Mn₃Fe²⁺₃Zr₃Nb(Si₂₅O₇₃)(O,OH,H₂O)₃(OH,Cl)₂ | Trigonal | — | — |
| Ophirite | Ca₂Mg₄[Zn₂Mn³⁺₂(H₂O)₂(Fe³⁺W₉O₃₄)₂]·46H₂O | Triclinic | — | — |
| Oregonite | Ni₂FeAs₂ | Hexagonal | 5.0 | — |
| Orickite | ₂CuFeS₂ * H₂O | Hexagonal | — | — |
| Orthojoaquinite-(Ce) | NaBa₂Ce₂FeTi₂[Si₄O₁₂]₂O₂(O,OH)·H₂O | Orthorhombic | — | — |
| Orthojoaquinite-(La) | NaBa₂La₂Fe²⁺Ti₂[Si₄O₁₂]₂O₂(O,OH)·H₂O | Orthorhombic | — | — |
| Osumilite | (K,Na)(Fe²⁺,Mg)₂(Al,Fe³⁺)₃(Si,Al)₁₂O₃₀ | Hexagonal | — | — |
| Oulankaite | (Pd,Pt)₅(Cu,Fe)₄SnTe₂S₂ | Tetragonal | — | — |
| Ovamboite | Cu₁₀Fe₃WGe₃S₁₆ | — | — | — |
| Owensite | (Ba,Pb)₆(Cu,Fe,Ni)₂₅S₂₇ | Cubic | — | — |
| Oxo-magnesio-hastingsite | NaCa₂(Mg₂Fe³⁺₃)(Si₆Al₂)O₂₂O₂ | Monoclinic | 6.0 | — |
| Oxy-foitite | ☐(Fe²⁺Al₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | 7.0 | — |
| Oxy-schorl | Na(Fe²⁺₂Al)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | 7.0 | — |
| Oxyphlogopite | K(Mg,Ti,Fe)₃[(Si,Al)₄O₁₀](O,F)₂ | Monoclinic | — | — |
| Panethite | (Na,Ca)₂(Mg,Fe²⁺)₂(PO₄)₂ | Monoclinic | — | — |
| Pansnerite | K₃Na₃(Fe³⁺,Al)₆(AsO₄)₈ | Orthorhombic | — | — |
| Parabutlerite | Fe³⁺(SO₄)(OH) * 2H₂O | — | — | — |
| Paracoquimbite | Fe₂(SO₄)₃ * 9H₂O | Trigonal | — | — |
| Paraershovite | Na₃K₃Fe³⁺₂(Si₄O₁₀OH)₂(OH)₂(H₂O)₄ | Triclinic | — | — |
| Parakuzmenkoite-Fe | (K,Ba)₈Fe₄Ti₁₆(Si₄O₁₂)₈(OH,O)₁₆·20-28H₂O | — | — | — |