Minerals containing iron
1,244 minerals
Iron — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Tristramite | (Ca,U,Fe)(PO₄,SO₄)·2H₂O | Hexagonal | — | — |
| Troilite | FeS | Hexagonal | — | 4.29 g/cm³ |
| Trébeurdenite | Fe²⁺₂Fe³⁺₄O₂(OH)₁₀(CO₃)·3H₂O | Trigonal | — | — |
| Tschaunerite | (Fe²⁺)(Fe²⁺Ti₄+)O₄ | Orthorhombic | — | — |
| Tuhualite | NaFe²⁺Fe³⁺Si₆O₁₅ | — | — | — |
| Tulameenite | CuFePt₂ | Tetragonal | — | — |
| Tululite | Ca₁₄(Fe³⁺,Al)(Al,Zn,Fe³⁺,Si,P,Mn,Mg)₁₅O₃₆ | Cubic | — | — |
| Tungusite | Ca₄Fe₂Si₆O₁₅(OH)₆ | — | — | — |
| Tuperssuatsiaite | Na₂Fe₃Si₈O₂₀(OH)₂·4H₂O | Monoclinic | — | — |
| Tvrdýite | Fe²⁺Fe³⁺₂Al₃(PO₄)₄(OH)₅(H₂O)₄·2H₂O | Monoclinic | — | — |
| Uedaite-(Ce) | Mn²⁺CeAl₂Fe²⁺(Si₂O₇)(SiO₄)O(OH) | Monoclinic | — | — |
| Ulvöspinel | Fe²⁺₂TiO₄ | Cubic | — | — |
| Ungemachite | K₃Na₈Fe³⁺(SO₄)₆(NO₃)₂·6H₂O | Trigonal | 2.5 | — |
| Uranotungstite | Fe(UO₂)₂(WO₄)(OH)₄·12H₂O | Orthorhombic | — | — |
| Ushkovite | MgFe³⁺₂(PO₄)₂(OH)₂·8H₂O | Triclinic | — | — |
| Usturite | Ca₃(SbZr)(FeO₄)₃ | Cubic | 7.0 | — |
| Valleriite | 2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)₂] | Trigonal | — | — |
| Valleyite | Ca₄Fe₆O₁₃ | Cubic | — | — |
| Vanadoallanite-(La) | CaLa³⁺V³⁺AlFe²⁺(Si₂O₇)(SiO₄)O(OH) | Monoclinic | — | — |
| Varlamoffite | (Sn,Fe)(O,OH)₂ | Tetragonal | — | — |
| Varulite | Na₂Mn(MnFe³⁺)(PO₄)₃ | Monoclinic | — | — |
| Vauxite | Fe²⁺Al₂(PO₄)₂(OH)₂·6H₂O | Triclinic | 3.5 | — |
| Veblenite | K₂☐₂Na(Fe²⁺₅Fe³⁺₄Mn₇☐)Nb₃Ti(Si₂O₇)₂(Si₈O₂₂)₂O₆(OH)₁₀(H₂O)₃ | Triclinic | — | — |
| Vermiculite | Mg₀.₇(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ * 8H₂O | Monoclinic | 1.3 | 2.55 g/cm³ |
| Vernadite | (Mn₄+,Fe³⁺,Ca,Na)(O,OH)₂ * nH₂O | Hexagonal | — | — |
| Verplanckite | Ba₂(Mn,Fe,Ti)Si₂O₆(O,OH,Cl,F)₂ * 3H₂O or near | — | — | — |
| Versiliaite | Fe₂Fe₄Sb₆O₁₆S | Orthorhombic | — | — |
| Vestaite | (Ti₄+Fe²⁺)Ti₄+₃O₉ | Monoclinic | — | — |
| Vesuvianite | (Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀ | Tetragonal | 6.5 | — |
| Viaeneite | (Fe,Pb)₄S₈O | Monoclinic | — | — |
| Vicanite-(Ce) | (Ca,Ce,La,Th)₁₅As₅+(As³⁺₀.₅,Na₀.₅)Fe³⁺Si₆B₄O₄₀F₇ | — | — | — |
| Vinciennite | Cu₁₀Fe₄SnAsS₁₆ | — | — | — |
| Violarite | Fe²⁺Ni³⁺₂S₄ | Cubic | — | — |
| Vivianite | Fe²⁺₃(PO₄)₂·8H₂O | Monoclinic | — | — |
| Vladykinite | Na₃Sr₄(Fe²⁺Fe³⁺)Si₈O₂₄ | Monoclinic | — | — |
| Vochtenite | (Fe²⁺,Mg)Fe³⁺(UO₂)₄(PO₄)₄(OH)·12-13H₂O | — | — | — |
| Volaschioite | Fe₄(SO₄)O₂(OH)₆·2H₂O | Monoclinic | — | — |
| Volkonskoite | Ca₀.₃(Cr,Mg,Fe)₂((Si,Al)₄O₁₀)(OH)₂ * 4H₂O | — | — | — |
| Voltaite | K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂ * 18H₂O | Cubic | 3.0 | — |
| Vonsenite | Fe²⁺₂Fe³⁺O₂(BO₃) | Orthorhombic | 5.0 | — |
| Voronkovite | Na₁₅(Na,Ca,Ce)₃(Mn,Ca)₃Fe₃Zr₃Si₂₆O₇₂(OH,O)₄Cl·H₂O | Trigonal | — | — |
| Vyalsovite | FeCaAlS(OH)₅ | Orthorhombic | — | — |
| Wadalite | (Ca,Mg)₆(Al,Fe³⁺)₄((Si,Al)O₄)₃O₄Cl₃ | Cubic | 6.5 | — |
| Wairauite | CoFe | Cubic | 5.0 | 8.33 g/cm³ |
| Walentaite | Fe³⁺₃(P₀.₈₄As₀.₁₆O₄)₂(O,OH)₆As³⁺₂.₅₆Ca₀.₄₂Na₀.₂₈Mn²⁺₀.₃₅Fe²⁺₀.₃₀O₆.₁(OH)₀.₉(H₂O)₀.₉ | Orthorhombic | — | — |
| Walfordite | (Fe³⁺,Te₆+)Te₄+₃O₈ | Cubic | — | — |
| Wallkilldellite-(Fe) | (Ca,Cu)₄Fe²⁺₆(AsO₄,SiO₄)₄(OH,O)₈ * 18H₂O | Hexagonal | — | — |
| Wangdaodeite | FeTiO₃ | Trigonal | — | — |
| Wangxibinite | TiFe | Cubic | — | 6.79 g/cm³ |
| Warwickite | (Mg,Ti,Fe,Cr,Al)₂O(BO₃) | Orthorhombic | — | — |
| Watatsumiite | Na₂KLi(Mn²⁺,Fe²⁺)₂V₄+₂[Si₈O₂₄] | Monoclinic | — | — |
| Welshite | Ca₄Mg₉Sb₃O₄[Si₆Be₃AlFe₂O₃₆] | Triclinic | 6.0 | — |
| Werdingite | (Mg,Fe)₂Al₁₄Si₄B₄O₃₇ | Triclinic | — | — |
| Wernerkrauseite | Ca(Fe³⁺,Mn³⁺)₂Mn⁴⁺O₆ | Orthorhombic | — | — |
| Westerveldite | (Fe,Ni,Co)As | Orthorhombic | — | — |
| Whitecapsite | H₁₆Fe²⁺₅Fe³⁺₁₄Sb³⁺₆(AsO₄)₁₈O₁₆·120H₂O | Hexagonal | — | — |
| Whiteite-(CaFeMg) | CaFe²⁺Mg₂Al₂(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |
| Whiteite-(CaMnFe) | CaMnFe₂Al₂(PO₄)₄(OH)₂·8H₂O | — | — | — |
| Whiteite-(MnFeMg) | Mn²⁺Fe²⁺Mg₂Al₂(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |
| Whitmoreite | Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂ * 4H₂O | Monoclinic | 3.0 | — |
| Wicksite | NaCa₂(Fe²⁺,Mn²⁺)₄MgFe³⁺(PO₄)₆ * 2H₂O | Orthorhombic | — | — |
| Wiklundite | Pb₂[₄](Mn²⁺,Zn)₃(Fe³⁺,Mn²⁺)₂(Mn²⁺,Mg)₁₉(As³⁺O₃)₂[(Si,As₅+)O₄]₆(OH)₁₈Cl₆ | Trigonal | — | — |
| Wildenauerite | Zn(Fe³⁺,Mn²⁺)₂MnFe³⁺(PO₄)₃(OH)₃(H₂O)₆*₂H₂O | Orthorhombic | — | — |
| Wilhelmkleinite | ZnFe³⁺₂(AsO₄)₂(OH)₂ | Monoclinic | 4.5 | 4.36 g/cm³ |
| Wilhelmramsayite | Cu₃FeS₃*₂H₂O | Orthorhombic | — | — |
| Wilhelmvierlingite | CaMnFe³⁺(PO₄)₂(OH) * 2H₂O | Orthorhombic | — | — |
| Wilkinsonite | Na₂Fe²⁺₄Fe³⁺₂(Si₆O₁₈)O₂ | Triclinic | — | — |
| Windhoekite | Ca₂Fe³⁺₃₋ₓ[Si₈O₂₀](OH)₄·10H₂O | Monoclinic | — | — |
| Windmountainite | ☐Fe³⁺₂Mg₂☐₂Si₈O₂0(OH)₂∙8H₂O | Monoclinic | — | — |
| Wiperamingaite | NaCaFe³⁺Al(PO₄)F₅(OH)·H₂O | Orthorhombic | — | — |
| Wolfeite | (Fe²⁺,Mn²⁺)₂(PO₄)(OH) | Monoclinic | — | — |
| Wolfsriedite | Pb[(UO₂)₂(W⁶⁺Fe³⁺)O₇(OH)](H₂O)₃ | Monoclinic | — | — |
| Wonesite | (Na,K)(Mg,Fe,Al)₆((Al,Si)₄O₁₀)₂(OH,F)₄ | Triclinic | — | — |
| Wyllieite | (Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO₄)₃ | Monoclinic | — | — |
| Wüstite | FeO | Cubic | 5.0 | — |
| Xanthoxenite | Ca₄Fe³⁺₂(PO₄)₄(OH)₂·3H₂O | Triclinic | — | — |
| Xenophyllite | Na₄Fe₇(PO₄)₆ | Triclinic | — | — |
| Xiangjiangite | Fe³⁺(UO₂)₄(PO₄)₂(SO₄)₂(OH)·22H₂O | Tetragonal | — | — |
| Xieite | Fe²⁺Cr₂O₄ | Orthorhombic | — | — |
| Xifengite | Fe₅Si₃ | Hexagonal | — | — |