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Minerals
6,131 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Ferripyrophyllite | Fe³⁺Si₂O₅(OH) | — | — | — |
| Ferrirockbridgeite | (Fe³⁺₀.₆₇☐₀.₃₃)₂(Fe³⁺)₃(PO₄)₃(OH)₄(H₂O) | Orthorhombic | — | — |
| Ferrisanidine | K[Fe3 Si3O8] | Monoclinic | — | 2.72 g/cm³ |
| Ferrisepiolite | (Fe³⁺,Fe²⁺,Mg)₄[(Si,Fe³⁺)₆O₁₅](O,OH)₂·6H₂O | Orthorhombic | 2.5 | — |
| Ferrisicklerite | Li₁-x(Fe³⁺xFe²⁺₁-x)PO₄ | Orthorhombic | — | — |
| Ferristrunzite | Fe³⁺Fe³⁺₂(PO₄)₂(OH)₃·5H₂O | — | — | — |
| Ferrisurite | (Pb,Ca)₂.₄Fe³⁺₂(Si₄O₁₀)(CO₃)₁.₇(OH)₃·nH₂O | — | — | — |
| Ferrisymplesite | Fe³⁺₃(AsO₄)₂(OH)₃·5H₂O | — | 2.5 | — |
| Ferrivauxite | Fe³⁺Al₂(PO₄)₂(OH)₃·5H₂O | Triclinic | — | — |
| Ferro-actinolite | ☐Ca₂Fe²⁺₅Si₈O₂₂(OH)₂ | Monoclinic | 5.5 | — |
| Ferro-anthophyllite | ☐Fe²⁺₂Fe²⁺₅Si₈O₂₂(OH)₂ | Orthorhombic | — | — |
| Ferro-bosiite | NaFe³⁺₃(Al₄Fe²⁺₂)(Si₆O₁₈)(BO₃)₃(OH)₃O | — | — | — |
| Ferro-edenite | NaCa₂Fe²⁺₅(Si₇Al)O₂₂(OH)₂ | Monoclinic | — | — |
| Ferro-ferri-fluoro-leakeite | NaNa₂(Fe²⁺₂Fe³⁺₂Li)Si₈O₂₂F₂ | Monoclinic | 6.0 | — |
| Ferro-ferri-holmquistite | ☐Li₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂ | Orthorhombic | — | — |
| Ferro-ferri-hornblende | ☐Ca₂(Fe²⁺₄Fe³⁺)(Si₇Al)O₂₂(OH)₂ | Monoclinic | — | — |
| Ferro-ferri-katophorite | Na(NaCa)(Fe²⁺₄Fe³⁺)(Si₇Al)O₂₂(OH)₂ | Monoclinic | — | — |
| Ferro-ferri-nybøite | NaNa₂(Fe²⁺₃Fe³⁺₂)(Si₇Al)O₂₂(OH)₂ | Monoclinic | — | — |
| Ferro-ferri-obertiite | NaNa₂(Fe²⁺₃Fe³⁺Ti⁴⁺)Si₈O₂₂O₂ | Monoclinic | — | — |
| Ferro-ferri-pedrizite | NaLi₂(Fe²⁺₂Fe³⁺₂Li)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Ferro-fluoro-edenite | — | Monoclinic | — | — |
| Ferro-fluoro-pedrizite | NaLi₂(Fe²⁺₂Al₂Li)Si₈O₂₂F₂ | Monoclinic | 6.0 | — |
| Ferro-gedrite | ☐{Fe²⁺₂}{Fe²⁺₃Al₂}(Al₂Si₆O₂₂)(OH)₂ | Orthorhombic | — | — |
| Ferro-glaucophane | ☐Na₂(Fe²⁺₃Al₂)Si₈O₂₂(OH)₂ | Monoclinic | 6.0 | — |
| Ferro-holmquistite | ☐Li₂(Fe²⁺₃Al₂)Si₈O₂₂(OH)₂ | Orthorhombic | 5.5 | — |
| Ferro-hornblende | ☐Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂ | Monoclinic | — | — |
| Ferro-kaersutite | NaCa₂(Fe²⁺₃Ti⁴⁺Al)(Si₆Al₂)O₂₂O₂ | — | — | — |
| Ferro-katophorite | Na(NaCa)(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂ | Monoclinic | — | — |
| Ferro-papikeite | — | Orthorhombic | — | — |
| Ferro-pargasite | NaCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | 5.5 | — |
| Ferro-pedrizite | NaLi₂(Fe²⁺₂Al₂Li)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Ferro-richterite | Na(NaCa)Fe²⁺₅Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Ferro-taramite | Na(NaCa)(Fe²⁺₃Al₂)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Ferro-tschermakite | ☐Ca₂(Fe²⁺₃Al₂)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Ferroalluaudite | NaFe²⁺Fe³⁺₂(PO₄)₃ | — | — | — |
| Ferroaluminoceladonite | K(Fe²⁺,Mg)(Al,Fe³⁺)(Si₄O₁₀)(OH)₂ | — | — | — |
| Ferroberaunite | Fe²⁺Fe³⁺₅(PO₄)₄(OH)₅(H₂O)₄·2H₂O | Monoclinic | — | — |
| Ferrobobfergusonite | Na₂Fe²⁺₅Fe³⁺Al(PO₄)₆ | Monoclinic | — | — |
| Ferrocarpholite | (Fe²⁺,Mg)Al₂(Si₂O₆)(OH)₄ | — | — | — |
| Ferroceladonite | K(Fe²⁺,Mg)(Fe³⁺,Al)(Si₄O₁₀)(OH)₂ | — | — | — |
| Ferrochiavennite | Ca₁₋₂Fe[(Si,Al,Be)₅Be₂O₁₃(OH)₂]·2H₂O | Monoclinic | 3.0 | — |
| Ferrodimolybdenite | FeMo₂S₄ | Monoclinic | — | — |
| Ferroefremovite | — | Cubic | — | — |
| Ferroericssonite | BaFe²⁺₂Fe³⁺(Si₂O₇)O(OH) | Monoclinic | 4.5 | — |
| Ferrofettelite | — | Monoclinic | — | — |
| Ferrohexahydrite | Fe²⁺(SO₄)(H₂O)₆ | Monoclinic | — | — |
| Ferrohögbomite-2N2S | [(Fe²⁺,Mg,Zn,Al)₃(Al,Ti,Fe³⁺)₈O₁₅(OH)]₂ | Hexagonal | — | — |
| Ferroindialite | (Fe²⁺,Mg)₂Al₄Si₅O₁₈ | Hexagonal | — | — |
| Ferroinnelite | Ba₄Ti₂Na(NaFe²⁺)Ti(Si₂O₇)₂[(SO₄)(PO₄)]O₂[O(OH)] | Triclinic | — | — |
| Ferrokentbrooksite | Na₁₅Ca₆(Fe,Mn)₃Zr₃NbSi₂₅O₇₃(O,OH,H₂O)₃Cl₂ | Trigonal | — | — |
| Ferrokinoshitalite | (Ba,K)(Fe²⁺,Mg)₃(Al₂Si₂O₁₀)(OH,F)₂ | — | — | — |
| Ferrokësterite | Cu₂FeSnS₄ | Tetragonal | 4.0 | — |
| Ferrolaueite | Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂·8H₂O | — | — | — |
| Ferromerrillite | Ca₉NaFe(PO₄)₇ | Trigonal | — | — |
| Ferronickelplatinum | (Ni,Fe)Pt | Tetragonal | — | — |
| Ferronigerite-2N1S | (Al,Fe,Zn)₂(Al,Sn)₆O₁₁(OH) | Trigonal | — | — |
| Ferronigerite-6N6S | (Al,Fe,Zn)₃(Al,Sn,Fe)₈O₁₅(OH) | — | — | — |
| Ferronordite-(Ce) | Na₃SrCeFe²⁺Si₆O₁₇ | — | — | — |
| Ferronordite-(La) | Na₃Sr(La,Ce)FeSi₆O₁₇ | — | — | — |
| Ferropseudobrookite | Fe²⁺Ti⁴⁺₂O₅ | Orthorhombic | — | — |
| Ferroqingheiite | Na₂Fe²⁺MgAl(PO₄)₃ | Monoclinic | — | — |
| Ferrorhodonite | CaMn₃Fe(Si₅O₁₅) | Triclinic | — | — |
| Ferrorhodsite | — | Cubic | — | — |
| Ferrorockbridgeite | (Fe²⁺,Mn²⁺)₂(Fe³⁺)₃(PO₄)₃(OH)₄(H₂O) | Orthorhombic | — | — |
| Ferrorosemaryite | ☐ NaFe²⁺Fe³⁺Al(PO₄)₃ | — | — | — |
| Ferrosaponite | Ca₀.₃(Fe²⁺,Mg,Fe³⁺)₃((Si,Al)₄O₁₀)(OH)₂·4H₂O | — | — | — |
| Ferroselite | FeSe₂ | Orthorhombic | — | 7.21 g/cm³ |
| Ferrosilite | — | Orthorhombic | — | — |
| Ferroskutterudite | (Fe,Co)As₃ | Cubic | — | — |
| Ferrostalderite | CuFe₂TlAs₂S₆ | Tetragonal | — | — |
| Ferrostrunzite | Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂·6H₂O | — | — | — |
| Ferrotaaffeite-2N'2S | (Fe²⁺,Mg,Zn)₃Al₈BeO₁₆ | Hexagonal | — | — |
| Ferrotaaffeite-6N'3S | BeFe²⁺₂Al₆O₁₂ | — | — | — |
| Ferrotellurite | Fe(Te⁶⁺O₄) (?) | — | — | — |
| Ferrotitanowodginite | Fe²⁺TiTa₂O₈ | — | — | — |
| Ferrotochilinite | [FeS]·≈0.85[Fe²⁺(OH)₂] | Monoclinic | — | — |
| Ferrotorryweiserite | Rh₅Fe₁₀S₁₆ | Trigonal | — | — |
| Ferrotychite | Na₆Fe²⁺₂(CO₃)₄(SO₄) | Cubic | — | — |
| Ferrovalleriite | 2[(Fe,Cu)S]·1.53[(Fe,Al,Mg)(OH)₂] | Trigonal | — | — |
| Ferrovorontsovite | (Fe₅Cu)∑₆TlAs₄S₁₂ | Cubic | — | — |