Minerals containing iron
1,244 minerals
Iron — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Babingtonite | Ca₂(Fe,Mn)FeSi₅O₁₄(OH) | Triclinic | — | — |
| Bacaferrite | BaCaFe₄O₈ | Trigonal | — | — |
| Badalovite | NaNaMg(MgFe³⁺)(AsO₄)₃ | Monoclinic | — | — |
| Bafertisite | Ba₂(Fe²⁺)₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂ | Monoclinic | — | — |
| Baiamareite | Ag₄Pb₁₂Fe₄Sb₂₀S₄₈ | Monoclinic | — | — |
| Baileychlore | (Zn,Fe²⁺,Al,Mg)₆(Si,Al)₄O₁₀(OH)₈ | Triclinic | — | — |
| Balangeroite | (Mg,Fe²⁺,Fe³⁺,Mn²⁺)₄₂Si₁₆O₅₄(OH)₄₀ | — | — | — |
| Bamfordite | Fe³⁺Mo₂O₆(OH)₃ * H₂O | — | — | — |
| Bannisterite | (Ca,K,Na)(Mn²⁺,Fe²⁺)₁₀(Si,Al)₁₆O₃₈(OH)₈ * nH₂O | — | 4.0 | — |
| Barahonaite-(Al) | (Ca,Cu,Na,Fe³⁺,Al)₁₂Al₂(AsO₄)₈(OH,Cl)x * nH₂O | Monoclinic | — | — |
| Barahonaite-(Fe) | (Ca,Cu,Na,Fe³⁺,Al)₁₂Fe³⁺₂(AsO₄)₈(OH,Cl)x * nH₂O | Monoclinic | — | — |
| Barbosalite | Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂ | — | 6.0 | — |
| Bario-orthojoaquinite | (Ba,Sr)₄Fe₂Ti₂[Si₄O₁₂]₂O₂ * H₂O | Orthorhombic | — | — |
| Barioferrite | BaFe³⁺₁₂O₁₉ | Hexagonal | — | — |
| Bariopharmacosiderite | Ba₀.₅Fe³⁺₄(AsO₄)₃(OH)₄ * 5H₂O | Tetragonal | — | — |
| Barićite | (Mg,Fe)₃(PO₄)₂·8H₂O | — | — | — |
| Barringerite | (Fe,Ni)₂P | Hexagonal | — | — |
| Bartelkeite | PbFeGe(Ge₂O₇)(OH)₂·H₂O | Monoclinic | 4.0 | — |
| Bassetite | Fe²⁺(UO₂)₂(PO₄)₂ * 10H₂O | Monoclinic | 2.5 | — |
| Batiferrite | BaTi₂Fe³⁺₈Fe²⁺₂O₁₉ | Hexagonal | — | — |
| Beaverite-(Cu) | Pb(Fe³⁺₂Cu)(SO₄)₂(OH)₆ | Trigonal | — | — |
| Beaverite-(Zn) | Pb(Fe³⁺₂Zn)(SO₄)₂(OH)₆ | Trigonal | — | — |
| Benauite | SrFe³⁺₃(HPO₄,PO₄)₂(OH)₆ | — | — | — |
| Bendadaite | Fe²⁺Fe³⁺₂(AsO₄)₂(OH)₂·4H₂O | Monoclinic | — | — |
| Benyacarite | (H₂O)₂Mn₂(Ti₂Fe³⁺)(PO₄)₄(OF)(H₂O)₁₀·4H₂O | — | — | — |
| Beraunite | Fe³⁺₆(PO₄)₄O(OH)₄(H₂O)₄·2H₂O | Monoclinic | — | — |
| Bergbauerite | (H₂O)₂Mn₂(Fe₂Ti)(PO₄)₄(OH)₂(H₂O)₁₀·4H₂O | Orthorhombic | — | — |
| Berthierine | (Fe²⁺,Fe³⁺,Al)₃(Si,Al)₂O₅(OH)₄ | — | 2.5 | — |
| Berthierite | FeSb₂S₄ | Orthorhombic | — | — |
| Bertossaite | (Li,Na)₂(Ca,Fe²⁺,Mn²⁺)Al₄(PO₄)₄(OH,F)₄ | — | — | — |
| Betekhtinite | (Cu,Fe)₂₁Pb₂S₁₅ | Orthorhombic | — | — |
| Betpakdalite-CaCa | [Ca₂(H₂O)₁₇Ca(H₂O)₆][Mo₆+₈As₅+₂Fe³⁺₃O₃₆(OH)] | Monoclinic | — | — |
| Betpakdalite-CaMg | [Ca₂(H₂O)₁₇Mg(H₂O)₆][Mo⁶⁺₈As⁵⁺₂Fe³⁺₃O₃₆(OH)] | Monoclinic | — | — |
| Betpakdalite-FeFe | [Fe³⁺₂ (H₂O)₁₅(OH)₂Fe³⁺(H₂O)₆][Mo₈As₂Fe³⁺₃ O₃₇] | Monoclinic | — | — |
| Betpakdalite-NaCa | [Na₂(H₂O)₁₇Ca(H₂O)₆][Mo₆+₈As₅+₂Fe³⁺₃O₃₄(OH)₃] | — | — | — |
| Betpakdalite-NaNa | [Na₂(H₂O)₁₆Na(H₂O)₆][Mo⁶⁺₈As⁵⁺₂Fe³⁺₃O₃₃(OH)₄] | Monoclinic | — | — |
| Beudantite | PbFe³⁺₃(AsO₄)(SO₄)(OH)₆ | Trigonal | — | — |
| Biraite-(Ce) | Ce₂Fe²⁺(Si₂O₇)(CO₃) | Monoclinic | — | — |
| Bismutoferrite | Fe³⁺₂Bi(SiO₄)₂(OH) | — | — | — |
| Bismutostibiconite | (Bi,Fe³⁺,☐)₂Sb⁵⁺₂O₇ | Cubic | — | — |
| Bixbyite-(Fe) | (Fe,Mn₂)O₃ | — | — | — |
| Bjarebyite | (Ba,Sr)(Mn²⁺,Fe²⁺,Mg)₂Al₂(PO₄)₃(OH)₃ | Monoclinic | — | — |
| Blakeite | Fe³⁺₂[Te⁴⁺O₃]₃ (?) | — | — | — |
| Bleasdaleite | (Ca,Fe³⁺)₂Cu₅(Bi,Cu)(PO₄)₄(H₂O,OH,Cl)₁₃ | — | — | — |
| Bobfergusonite | Na₂Mn₅FeAl(PO₄)₆ | Monoclinic | — | — |
| Bohuslavite | Fe³⁺₄(PO₄)₃(SO₄)(OH)·nH₂O | Triclinic | — | — |
| Bokite | (Al,Fe)₁.₃(V⁵⁺,V⁴⁺,Fe³⁺)₈O₂₀·7.5H₂O | Monoclinic | — | — |
| Bonaccordite | Ni₂Fe³⁺O₂(BO₃) | Orthorhombic | 7.0 | — |
| Bonshtedtite | Na₃Fe²⁺(CO₃)(PO₄) | Monoclinic | — | — |
| Bornite | Cu₅FeS₄ | Orthorhombic | 3.0 | 5.10 g/cm³ |
| Borodaevite | Ag₅(Bi,Pb,Fe)₈(Sb,Bi)₂S₁₇ | — | — | — |
| Bosiite | NaFe³⁺₃(Al₄Mg₂)(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | 7.0 | — |
| Botryogen | MgFe³⁺(SO₄)₂(OH)·7H₂O | Monoclinic | — | — |
| Bouazzerite | Bi₆(Mg,Co)₁₁Fe₁₄(AsO₄)₁₈O₁₂(OH)₄·86H₂O | Monoclinic | — | — |
| Briartite | Cu₂FeGeS₄ | Tetragonal | 4.5 | — |
| Brownmillerite | Ca₂(Al,Fe³⁺)₂O₅ | Orthorhombic | — | — |
| Brugnatellite | Mg₆Fe³⁺(CO₃)(OH)₁₃·4H₂O | Hexagonal | — | — |
| Brunogeierite | Fe²⁺₂Ge⁴⁺O₄ | Cubic | — | — |
| Bulgakite | Li₂(Ca,Na)Fe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄(F,O)(H₂O)₂ | Triclinic | — | — |
| Burangaite | NaFe²⁺Al₅(PO₄)₄(OH)₆·2H₂O | Monoclinic | — | — |
| Burckhardtite | Pb₂(Fe³⁺Te⁶⁺)(AlSi₃O₈)O₆ | — | — | — |
| Buryatite | Ca₃(Si,Fe,Al)(SO₄)[B(OH)₄]O(OH)₅·12H₂O | Trigonal | — | — |
| Buseckite | (Fe,Zn,Mn)S | Hexagonal | — | — |
| Bussenite | Ba₄(Na,☐)₂(Fe²⁺,Na)₂Ti₂(Si₂O₇)₂(CO₃)₂O₂(OH)₂(H₂O)₂F₂ | Triclinic | — | — |
| Butlerite | Fe³⁺(SO₄)(OH)·2H₂O | — | — | — |
| Cacoxenite | Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O | Hexagonal | — | — |
| Caesiumpharmacosiderite | CsFe₄[(AsO₄)₃(OH)₄]·4H₂O | Cubic | — | — |
| Cafarsite | Ca₅.₉Mn₁.₇Fe₃Ti₃(AsO₃)₁₂ * 4-₅H₂O | Cubic | — | — |
| Cafeosite | Ca₄Fe²⁺₃Fe³⁺₂◻O₆S₄ | Orthorhombic | — | — |
| Calciocopiapite | CaFe³⁺₄(SO₄)₆(OH)₂·20H₂O | — | — | — |
| Calcioferrite | Ca₂Fe³⁺₂(PO₄)₃(OH) * 7H₂O | Monoclinic | — | — |
| Calciosamarskite | (Ca,Fe,Y)(Nb,Ta,Ti)O₄ | — | — | — |
| Calderite | (Mn²⁺,Ca)₃(Fe³⁺,Al)₂(SiO₄)₃ | Cubic | 7.0 | — |
| Camaronesite | Fe³⁺₂(PO₃OH)₂(SO₄)(H₂O)₄·1-2H₂O | Trigonal | — | — |
| Canosioite | Ba₂Fe³⁺(AsO₄)₂(OH) | Monoclinic | — | — |
| Carboferriphoxite | [(NH₄)K(H₂CO₃)][Fe³⁺(HPO₄)(H₂PO₄)(C₂O₄)] | Triclinic | — | — |
| Carboirite | FeAl₂(GeO₄)O(OH)₂ | — | — | — |
| Caresite | Fe²⁺₄Al₂(OH)₁₂[CO₃] * 3H₂O | Trigonal | — | — |
| Carlfrancisite | Mn²⁺₃(Mn²⁺,Mg,Fe³⁺,Al)₄₂(As³⁺O₃)₂(As⁵⁺O₄)₄[(Si,As⁵⁺)O₄]₆[(As⁵⁺,Si)O₄]₂(OH)₄₂ | Trigonal | — | — |
| Carlosturanite | (Mg,Fe²⁺,Ti)₂₁(Si,Al)₁₂O₂₈(OH)₃₄·H₂O | — | — | — |