Minerals containing iron
1,244 minerals
Iron — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Spheniscidite | (NH₄)Fe³⁺₂(PO₄)₂(OH)(H₂O)·H₂O | — | — | — |
| Srebrodolskite | Ca₂Fe³⁺₂O₅ | Orthorhombic | — | — |
| Stalderite | Tl(Cu,Ag)(Zn,Fe,Hg)₂(As,Sb)₂S₆ | — | — | — |
| Stannite | Cu₂FeSnS₄ | Tetragonal | 4.0 | — |
| Stannoidite | Cu₆⁺Cu₂²⁺(Fe²⁺,Zn)₃Sn₂S₁₂ | Orthorhombic | — | — |
| Staurolite | Fe²⁺₂Al₉Si₄O₂₃(OH) | Monoclinic | — | — |
| Stavelotite-(La) | La₃Mn²⁺₃Cu²⁺(Mn³⁺,Fe³⁺,Mn⁴⁺)₂₆(Si₂O₇)₆O₃₀ | Trigonal | — | — |
| Steenstrupine-(Ce) | Na₁₄Ce₆Mn²⁺₂Fe³⁺₂Zr(PO₄)₇Si₁₂O₃₆(OH)₂·3H₂O | Trigonal | — | — |
| Stefanweissite | (Ca,REE)₂Zr₂(Nb,Ti)(Ti,Nb)₂Fe²⁺O₁₄ | Orthorhombic | — | — |
| Steinmetzite | Zn₂Fe³⁺(PO₄)₂(OH)·3H₂O | Triclinic | — | — |
| Stenhuggarite | CaFeSb(AsO₃)₂O | Tetragonal | — | — |
| Stepanovite | NaMgFe³⁺(C₂O₄)₃·9H₂O | Trigonal | 2.0 | — |
| Sternbergite | AgFe₂S₃ | — | — | — |
| Stewartite | Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂ * 8H₂O | Triclinic | 3.0 | 2.94 g/cm³ |
| Stibiosegnitite | Pb(Fe³⁺₂.₅Sb⁵⁺₀.₅)(AsO₄)₂(OH)₆ | Trigonal | — | — |
| Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O | — | — | — |
| Stoppaniite | Be₃Fe³⁺₂(Si₆O₁₈) * H₂O | Hexagonal | — | — |
| Stottite | Fe²⁺Ge⁴⁺(OH)₆ | — | 4.5 | — |
| Strengite | FePO₄ * 2H₂O | Orthorhombic | 3.5 | — |
| Strontio-orthojoaquinite | (Na,Fe)₂Sr₂Ba₂Ti₂[Si₄O₁₂]₂O₂(O,OH)₂ * H₂O | Orthorhombic | — | — |
| Strontiochevkinite | (Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈ | Monoclinic | — | — |
| Strontiojoaquinite | Sr₂Ba₂(Na,Fe)₂Ti₂[Si₄O₁₂]₂O₂(O,OH)₂ * H₂O | Monoclinic | — | — |
| Strontioperloffite | SrMn²⁺₂Fe³⁺₂(PO₄)₃(OH)₃ | Monoclinic | — | — |
| Strontiopharmacosiderite | Sr₀.₅Fe₄[(AsO₄)₃(OH)₄]·4H₂O | Tetragonal | — | — |
| Strunzite | Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂·8H₂O | — | 4.0 | — |
| Sturmanite | Ca₆Fe³⁺₂(SO₄)₂.₅[B(OH)₄](OH)₁₂·25H₂O | Trigonal | 2.5 | — |
| Suessite | (Fe,Ni)₃Si | Cubic | — | — |
| Sugakiite | Cu(Fe,Ni)₈S₈ | Tetragonal | — | — |
| Sugilite | K(Na,☐)₂Li₃(Fe,Mn,Al,Zr)₂[Si₁₂O₃₀] | Hexagonal | — | — |
| Suhailite | (NH₄)Fe²⁺₃(Si₃Al)O₁₀(OH)₂ | Monoclinic | 2.5 | — |
| Sunshuite | FeBi₂S₄ | Monoclinic | — | — |
| Surite | (Pb,Ca)₃(Al,Fe²⁺,Mg)₂((Si,Al)₄O₁₀)(CO₃)₂(OH)₂ | — | — | — |
| Sveinbergeite | Ca(Fe²⁺₆Fe³⁺)Ti₂(Si₄O₁₂)₂O₂(OH)₅(H₂O)₄ | Triclinic | — | — |
| Svyazhinite | (Mg,Mn²⁺,Ca)(Al,Fe³⁺)(SO₄)₂F * 14H₂O | — | — | — |
| Symplesite | Fe²⁺₃(AsO₄)₂ * 8H₂O | Triclinic | — | — |
| Szomolnokite | Fe²⁺SO₄·H₂O | Monoclinic | — | — |
| Taenite | (Ni,Fe) | Cubic | — | — |
| Talnakhite | Cu₉Fe₈S₁₆ | Cubic | — | 4.29 g/cm³ |
| Tamboite | Fe³⁺₃(OH)(H₂O)₂(SO₄)(Te₄+O₃)₃(Te₄+O(OH)₂)(H₂O)₃ | Monoclinic | — | — |
| Tancaite-(Ce) | FeCe(MoO₄)₃·3H₂O | Trigonal | — | — |
| Taneyamalite | (Na,Ca)(Mn,Mg,Fe)₁₂Si₁₂(O,OH)₄₄ | — | — | — |
| Tantalite-(Fe) | Fe²⁺Ta₂O₆ | Orthorhombic | — | — |
| Tapiolite-(Fe) | (Fe,Mn)(Ta,Nb)₂O₆ | Tetragonal | — | — |
| Taramellite | Ba₄(Fe³⁺,Ti,Fe²⁺,Mg)₄(B₂Si₈O₂₇)O₂Clx | — | — | — |
| Tarbagataite | (K☐)Ca(Fe,Mn)₇Ti₂(Si₄O₁₂)₂O₂(OH)₅ | Triclinic | — | — |
| Tarkianite | (Cu,Fe)(Re,Mo)₄S₈ | Cubic | — | — |
| Taseqite | Na₁₂Sr₃Ca₆Fe₃Zr₃Nb[(Si₃O₉)₂(Si₉O₂₇)₂SiO]Cl₂(O,OH,H₂O)₃ | Trigonal | — | — |
| Tashelgite | CaMgFe²⁺Al₉O₁₆(OH) | Monoclinic | — | — |
| Tassieite | NaCa₂Mg₃Fe²⁺₂F³⁺(PO₄)₆·2H₂O | — | — | — |
| Tavorite | LiFe³⁺(PO₄)(OH) | — | — | — |
| Telluric iron | Fe | Cubic | — | — |
| Telluromandarinoite | Fe³⁺₂(Te⁴⁺O₃)₃·6H₂O | Monoclinic | — | — |
| Tennantite-(Fe) | Cu₁₀Fe₂As₄S₁₃ | Cubic | — | — |
| Tetraferriannite | KFe²⁺₃((Fe³⁺,Al)Si₃O₁₀)(OH)₂ | — | — | — |
| Tetraferriphlogopite | KMg₃(Fe³⁺Si₃O₁₀)(OH,F)₂ | — | — | — |
| Tetraferroplatinum | PtFe | Tetragonal | — | 14.98 g/cm³ |
| Tetrataenite | FeNi | Monoclinic | — | 8.54 g/cm³ |
| Thalcusite | Tl₂Cu₃FeS₄ | Tetragonal | — | — |
| Thalfenisite | Tl₆(Fe,Ni,Cu)₂₅S₂₆Cl | Cubic | — | — |
| Thalliumpharmacosiderite | TlFe₄[(AsO₄)₃(OH)₄]·4H₂O | Cubic | — | — |
| Therasiaite | (NH₄)₃KNa₂Fe²⁺Fe³⁺(SO₄)₃Cl₅ | Monoclinic | — | — |
| Tiettaite | (Na,K)₁₇FeTiSi₁₆O₂₉(OH)₃₀·2H₂O | Orthorhombic | — | — |
| Tinticite | Fe³⁺₅.₃₄(PO₄)₃.₆₂(VO₄)₀.₃₈(OH)₄·3H₂O | Triclinic | — | — |
| Tisinalite | Na₃H₃(Mn,Ca,Fe)TiSi₆(O,OH)₁₈ * 2H₂O | Trigonal | — | — |
| Titanomaghemite | Fe(Fe,Ti)₂O₄ | Cubic | — | — |
| Titantaramellite | Ba₄(Ti,Fe³⁺,Fe²⁺,Mg)₄(B₂Si₈O₂₇)O₂Clx | — | — | — |
| Tochilinite | Fe²⁺₅-₆(Mg,Fe²⁺)₅S₆(OH)₁₀ | — | — | — |
| Toledoite | TiFeSi | Orthorhombic | — | 5.62 g/cm³ |
| Tomcampbellite | [KCl][Fe²⁺₁₄(OH)₆(PO₄)₆(PO₃OH)₂] | Monoclinic | — | — |
| Tooeleite | Fe³⁺₆(As³⁺O₃)₄(SO₄)(OH)₄·4H₂O | — | 3.0 | — |
| Toturite | Ca₃Sn₂(SiFe³⁺₂)O₁₂ | Cubic | — | — |
| Toyohaite | Ag₂FeSn₃S₈ | Cubic | 4.0 | 4.94 g/cm³ |
| Tranquillityite | (Fe²⁺,Ca)₈(Zr,Y)₂Ti₃(SiO₄)₃O₁₂ | Hexagonal | — | — |
| Traskite | Ba₂₁Ca(Fe²⁺,Mn,Ti)₄(Ti,Fe,Mg)₁₂(Si₁₂O₃₆)(Si₂O₇)₆(O,OH)₃₀Cl₆·14H₂O | Hexagonal | — | — |
| Trattnerite | ☐(Fe³⁺,Mg,Fe²⁺)₂(Mg,Fe²⁺,Fe³⁺)₃(Si₁₂O₃₀) | — | — | — |
| Trembathite | (Mg,Fe)₃(B₇O₁₃)Cl | Trigonal | — | — |
| Trevorite | NiFe³⁺₂O₄ | Cubic | — | — |
| Triphylite | LiFe²⁺PO₄ | Orthorhombic | — | — |
| Triploidite | (Mn²⁺,Fe²⁺)₂(PO₄)(OH) | — | — | — |
| Tripuhyite | Fe³⁺Sb⁵⁺O₄ | — | — | — |