Minerals containing iron
1,244 minerals
Iron — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Graulichite-(Ce) | CeFe³⁺₃(AsO₄)₂(OH)₆ | — | — | — |
| Graulichite-(La) | LaFe³⁺₃(AsO₄)₂(OH)₆ | Trigonal | — | — |
| Greenalite | (Fe²⁺,Fe³⁺)₂-₃Si₂O₅(OH)₄ | Monoclinic | — | — |
| Greenwoodite | Ba₂₋ₓ(V³⁺OH)ₓV³⁺₉(Fe³⁺,Fe²⁺)₂Si₂O₂₂ | Trigonal | — | — |
| Greigite | Fe²⁺Fe³⁺₂S₄ | Cubic | — | 4.05 g/cm³ |
| Grigorievite | Cu₃Fe³⁺₂Al₂(VO₄)₆ | Triclinic | — | — |
| Griphite | Na₄Li₂Ca₆(Mn²⁺,Fe²⁺,Mg)₁₉Al₈(PO₄)₂₄(F,OH)₈ | — | — | — |
| Grischunite | NaCa₂Mn²⁺₅Fe³⁺(AsO₄)₆·2H₂O | Orthorhombic | — | — |
| Grunerite | ☐Fe²⁺₂Fe²⁺₅Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Gudmundite | FeSbS | Monoclinic | — | 7.07 g/cm³ |
| Guidottiite | MnFe³⁺₂(SiFe³⁺)O₅(OH)₄ | Hexagonal | — | — |
| Guildite | CuFe³⁺(SO₄)₂(OH)·4H₂O | Monoclinic | — | — |
| Gupeiite | Fe₃Si | Cubic | — | — |
| Günterblassite | (K,Ca,Ba,Na,☐)₃Fe[(Si,Al)₁₃O₂₅(OH,O)₄]·7H₂O | Orthorhombic | 4.0 | — |
| Haapalaite | (Fe²⁺,Ni)₂(Mg,Fe²⁺)₁.₆₁S₂(OH)₃.₂₂ | Hexagonal | — | — |
| Hagendorfite | NaCaMn²⁺Fe²⁺₂(PO₄)₃ | Monoclinic | — | — |
| Haigerachite | KFe³⁺₃(HPO₄)₂(H₂PO₄)₆ * 4H₂O | Monoclinic | — | — |
| Hakite-(Fe) | Cu₆(Cu₄Fe₂)Sb₄Se₁₃ | — | — | — |
| Halotrichite | Fe²⁺Al₂(SO₄)₄·22H₂O | Monoclinic | 1.5 | — |
| Hancockite | CaPb(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH) | Monoclinic | — | — |
| Hanswilkeite | KFeS₂ | Monoclinic | — | — |
| Hapkeite | Fe₂Si | Cubic | — | 6.83 g/cm³ |
| Harmunite | CaFe₂O₄ | Orthorhombic | — | — |
| Hastingsite | NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Hatertite | Na₂(Ca,Na)(Fe³⁺,Cu)₂(AsO₄)₃ | Monoclinic | — | — |
| Hauckite | Fe³⁺₃(Mg,Mn²⁺)₂₄Zn₁₈(SO₄)₄(CO₃)₂(OH)₈₁ | Hexagonal | — | — |
| Haxonite | (Fe,Ni)₂₃C₆ | Cubic | — | — |
| Haycockite | Cu₄Fe₅S₈ | Orthorhombic | — | — |
| Hematite | Fe₂O₃ | Trigonal | 6.0 | 5.10 g/cm³ |
| Hematophanite | Pb₄Fe₃O₈(OH,Cl) | — | — | — |
| Hemleyite | (Fe²⁺₀.₄₈Mg₀.₃₇Ca₀.₀₄Na₀.₀₄Mn²⁺₀.₀₃Al₀.₀₃Cr³⁺₀.₀₁)sum=₁.₀₀Si₁.₀₀O₃ | Trigonal | — | — |
| Hercynite | Fe²⁺Al₂O₄ | Cubic | — | — |
| Heterosite | Fe³⁺(PO₄) | Orthorhombic | — | — |
| Hexaferrum | (Fe,Os,Ru,Ir) | Hexagonal | — | — |
| Hexamolybdenum | (Mo,Ru,Fe,Ir,Os) | Hexagonal | — | — |
| Heyite | Pb₅Fe²⁺₂(VO₄)₂O₄ | — | — | — |
| Hezuolinite | (Sr,REE)₄Zr(Ti,Fe³⁺,Fe²⁺)₂Ti₂O₈(Si₂O₇)₂ | Monoclinic | — | — |
| Hibbingite | Fe²⁺₂(OH)₃Cl | — | — | — |
| Hilarionite | Fe³⁺₂(SO₄)(AsO₄)(OH)·₆H₂O | Monoclinic | — | — |
| Hillesheimite | (K,Ca,Ba,☐)₂(Mg,Fe,Ca,☐)₂[(Si,Al)₁₃O₂₃(OH)₆](OH)·8H₂O | Orthorhombic | — | — |
| Hiortdahlite | (Na,Ca)₂Ca₄Zr(Mn,Ti,Fe)(Si₂O₇)₂(F,O)₄ | Triclinic | — | — |
| Hisingerite | Fe₂Si₂O₅(OH)₄·2H₂O | Monoclinic | 3.0 | — |
| Hocartite | Ag₂FeSnS₄ | Tetragonal | 4.0 | — |
| Hochleitnerite | [(H₂O)K]Mn₂(Ti₂Fe³⁺)(PO₄)₄O₂(H₂O)₁₀·4H₂O | Orthorhombic | — | — |
| Hohmannite | Fe³⁺₂(SO₄)₂O * 8H₂O | Triclinic | 3.0 | — |
| Hollisterite | Al₃Fe | Monoclinic | — | — |
| Homilite | Ca₂Fe²⁺B₂Si₂O₁₀ | — | — | — |
| Honessite | (Ni₁-xFe³⁺x)(OH)₂[SO₄]x/₂ * nH₂O | Trigonal | — | — |
| Hongheite | Ca₁₉Fe²⁺Al₄(Fe³⁺,Mg,Al)₈(☐,B)₄BSi₁₈O₆₉(O,OH)₉ | Tetragonal | — | — |
| Hopmannite | Ba₂(Ti₅Fe)O₁₃ | Monoclinic | — | — |
| Horomanite | Fe₆Ni₃S₈ | Tetragonal | — | — |
| Howieite | Na(Fe,Mn)₁₀(Fe,Al)₂Si₁₂O₃₁(OH)₁₃ | — | — | — |
| Huangshanite | Fe³⁺TaO₄ | Monoclinic | — | — |
| Hubeite | Ca₂Mn²⁺Fe³⁺[HSi₄O₁₃]·2H₂O | Triclinic | — | — |
| Huizingite-(Al) | [(NH₄)₉(SO₄)₂][(Al,Fe³⁺)₃(OH)₂(H₂O)₄(SO₄)₆] | Triclinic | — | — |
| Hulsite | Fe²⁺₂Fe³⁺O₂(BO₃) | Monoclinic | 3.0 | — |
| Humboldtine | Fe²⁺(C₂O₄)⋅2H₂O | Monoclinic | — | — |
| Hundholmenite-(Y) | (Y,REE,Ca,Na)₁₅(Al,Fe³⁺)(CaxAs³⁺₁-x)(Si,As₅+)Si₆B₃(O,F)₄₈ | Trigonal | — | — |
| Hydrobiotite | K(Mg,Fe²⁺)₆((Si,Al)₈O₂₀)(OH)₄ * nH₂O | — | — | — |
| Hydrohonessite | (Ni₁-xFe³⁺x)(OH)₂(SO₄)x/₂ * nH₂O | Hexagonal | — | — |
| Hydroniumjarosite | (H₃O)Fe₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Hydroniumpharmacosiderite | (H₃O)Fe³⁺₄(AsO₄)₃(OH)₄·4H₂O | Cubic | — | — |
| Hydroplumboelsmoreite | (Pb☐)(W₁.₃₃Fe³⁺ ₀.₆₇)O₆(H₂O) | Cubic | — | — |
| Hydroxyferroroméite | (Fe²⁺₁.₅☐₀.₅)Sb⁵⁺₂O₆(OH) | Cubic | 3.0 | 5.45 g/cm³ |
| Hydroxykenoelsmoreite | (☐,Pb)₂(W,Fe³⁺,Al)₂(O,OH)₆(OH) | Trigonal | 3.0 | 5.81 g/cm³ |
| Hydroxylbenyacarite | (H₂O)₂Mn₂(Ti₂Fe)(PO₄)₄[O(OH)](H₂O)₁₀·4H₂O | Orthorhombic | — | — |
| Icosahedrite | Al₆₃Cu₂₄Fe₁₃ | Quasicrystal | — | — |
| Idaite | Cu₃FeS₄ | — | — | — |
| Igelströmite | Fe³⁺(SbPb)O₄ | Tetragonal | — | — |
| Ikranite | (Na,H₃O)₁₅(Ca,Mn²⁺)₆Fe³⁺₂Zr₃[(H₀-₃Si₃O₉)₂(Si₉O₂₇)₂SiO]Cl·nH₂O | Trigonal | 5.0 | — |
| Ilesite | (Mn,Zn,Fe)SO₄·4H₂O | Monoclinic | — | — |
| Ilmenite | Fe²⁺Ti⁴⁺O₃ | Trigonal | 5.5 | 4.72 g/cm³ |
| Ilvaite | CaFe³⁺Fe²⁺₂(Si₂O₇)O(OH) | Orthorhombic | — | — |
| Imandrite | Na₁₂Ca₃Fe³⁺₂(Si₆O₁₈)₂ | Orthorhombic | — | — |
| Indite | FeIn₂S₄ | Cubic | — | — |
| Inesite | Ca₂(Mn,Fe)₇Si₁₀O₂₈(OH)₂·5H₂O | Triclinic | — | — |
| Iowaite | Mg₆Fe³⁺₂(OH)₁₆Cl₂·4H₂O | Hexagonal | 1.5 | 2.10 g/cm³ |
| Ishiharaite | (Cu,Ga,Fe,In,Zn)S | Cubic | — | — |
| Ishikawaite | (U,Fe,Y)NbO₄ | Monoclinic | — | — |
| Isocubanite | CuFe₂S₃ | Cubic | 3.5 | — |