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Monoclinic crystal system
1,774 minerals
| Mineral | Chemical formula | Mohs hardness | Density |
|---|---|---|---|
| Ferberite | Fe²⁺WO₄ | — | — |
| Ferdowsiite | Ag₈(Sb₅As₃)S₁₆ | — | — |
| Fernandinite | (Ca,Na,K)₀.₉(V⁵⁺,V⁴⁺,Fe²⁺,Ti)₈O₂₀·4H₂O | — | — |
| Ferraioloite | MgMn²⁺₄(Fe²⁺₀.₅Al³⁺₀.₅)₄Zn₄(PO₄)₈(OH)₄(H₂O)₂₀ | — | — |
| Ferri-fluoro-katophorite | Na(NaCa)(Mg₄Fe³⁺)(Si₇Al)O₂₂F₂ | — | — |
| Ferri-fluoro-leakeite | NaNa₂(Mg₂Fe³⁺₂Li)Si₈O₂₂F₂ | — | — |
| Ferri-ghoseite | ☐(NaMn²⁺)(Mg₄Fe³⁺)Si₈O₂₂(OH)₂ | — | — |
| Ferri-kaersutite | NaCa₂(Mg₃Fe³⁺Ti)Si₆Al₂O₂₂O₂ | — | — |
| Ferri-katophorite | Na(NaCa)(Mg₄Fe³⁺)(Si₇Al)O₂₂(OH)₂ | — | — |
| Ferri-leakeite | NaNa₂(Mg₂Fe³⁺₂Li)Si₈O₂₂(OH)₂ | 6.0 | — |
| Ferri-mottanaite-(Ce) | — | — | — |
| Ferri-obertiite | Na(Na₂)(Mg₃Fe³⁺Ti)(Si₈O₂₂)O₂ | — | — |
| Ferri-pedrizite | NaLi₂(Fe³⁺₂Mg₂Li)Si₈O₂₂(OH)₂ | — | — |
| Ferri-taramite | Na(NaCa)(Mg₃Fe³⁺₂)(Si₆Al₂)O₂₂(OH)₂ | — | — |
| Ferri-winchite | ☐(NaCa)(Mg₄Fe³⁺)Si₈O₂₂(OH)₂ | 5.5 | — |
| Ferriakasakaite-(Ce) | {CaCe}{Fe³⁺AlMn²⁺}(Si₂O₇)(SiO₄)O(OH) | — | — |
| Ferriakasakaite-(La) | CaLaFe³⁺AlMn²⁺(Si₂O₇)(SiO₄)O(OH) | — | — |
| Ferriallanite-(Ce) | CaCe(Fe³⁺,Fe²⁺,Al)₃[SiO₄][Si₂O₇]O(OH) | — | — |
| Ferriallanite-(La) | Ca(La,Ce,Th)(Fe³⁺,Al)(Al,Fe³⁺)(Fe²⁺,Mn,Ti,Mg)(SiO₄)(Si₂O₇)O(OH) | — | — |
| Ferriandrosite-(Ce) | (Mn2+Ce)(Fe3+AlMn2+)O[Si₂O₇][SiO₄](OH) | — | — |
| Ferriandrosite-(La) | MnLaFe³⁺AlMn²⁺(Si₂O₇)(SiO₄)O(OH) | — | — |
| Ferribushmakinite | Pb₂Fe³⁺(PO₄)(VO₄)(OH) | — | — |
| Ferrierite-Na | (Na,K)₅(Si₃₁Al₅)O₇₂·18H₂O | — | — |
| Ferrihollandite | Ba(Mn⁴⁺₆Fe⁺₂)O₁₆ | — | — |
| Ferriperbøeite-(Ce) | — | — | — |
| Ferriphoxite | [(NH₄)₂K(H₂O)][Fe³⁺(HPO₄)₂(C₂O₄)] | — | — |
| Ferrisanidine | K[Fe3 Si3O8] | — | 2.72 g/cm³ |
| Ferro-actinolite | ☐Ca₂Fe²⁺₅Si₈O₂₂(OH)₂ | 5.5 | — |
| Ferro-edenite | NaCa₂Fe²⁺₅(Si₇Al)O₂₂(OH)₂ | — | — |
| Ferro-ferri-fluoro-leakeite | NaNa₂(Fe²⁺₂Fe³⁺₂Li)Si₈O₂₂F₂ | 6.0 | — |
| Ferro-ferri-hornblende | ☐Ca₂(Fe²⁺₄Fe³⁺)(Si₇Al)O₂₂(OH)₂ | — | — |
| Ferro-ferri-katophorite | Na(NaCa)(Fe²⁺₄Fe³⁺)(Si₇Al)O₂₂(OH)₂ | — | — |
| Ferro-ferri-nybøite | NaNa₂(Fe²⁺₃Fe³⁺₂)(Si₇Al)O₂₂(OH)₂ | — | — |
| Ferro-ferri-obertiite | NaNa₂(Fe²⁺₃Fe³⁺Ti⁴⁺)Si₈O₂₂O₂ | — | — |
| Ferro-ferri-pedrizite | NaLi₂(Fe²⁺₂Fe³⁺₂Li)Si₈O₂₂(OH)₂ | — | — |
| Ferro-fluoro-edenite | — | — | — |
| Ferro-fluoro-pedrizite | NaLi₂(Fe²⁺₂Al₂Li)Si₈O₂₂F₂ | 6.0 | — |
| Ferro-glaucophane | ☐Na₂(Fe²⁺₃Al₂)Si₈O₂₂(OH)₂ | 6.0 | — |
| Ferro-hornblende | ☐Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂ | — | — |
| Ferro-katophorite | Na(NaCa)(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂ | — | — |
| Ferro-pargasite | NaCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂ | 5.5 | — |
| Ferro-pedrizite | NaLi₂(Fe²⁺₂Al₂Li)Si₈O₂₂(OH)₂ | — | — |
| Ferro-richterite | Na(NaCa)Fe²⁺₅Si₈O₂₂(OH)₂ | — | — |
| Ferro-taramite | Na(NaCa)(Fe²⁺₃Al₂)(Si₆Al₂)O₂₂(OH)₂ | — | — |
| Ferro-tschermakite | ☐Ca₂(Fe²⁺₃Al₂)(Si₆Al₂)O₂₂(OH)₂ | — | — |
| Ferroberaunite | Fe²⁺Fe³⁺₅(PO₄)₄(OH)₅(H₂O)₄·2H₂O | — | — |
| Ferrobobfergusonite | Na₂Fe²⁺₅Fe³⁺Al(PO₄)₆ | — | — |
| Ferrochiavennite | Ca₁₋₂Fe[(Si,Al,Be)₅Be₂O₁₃(OH)₂]·2H₂O | 3.0 | — |
| Ferrodimolybdenite | FeMo₂S₄ | — | — |
| Ferroericssonite | BaFe²⁺₂Fe³⁺(Si₂O₇)O(OH) | 4.5 | — |
| Ferrofettelite | — | — | — |
| Ferrohexahydrite | Fe²⁺(SO₄)(H₂O)₆ | — | — |
| Ferroqingheiite | Na₂Fe²⁺MgAl(PO₄)₃ | — | — |
| Ferrotochilinite | [FeS]·≈0.85[Fe²⁺(OH)₂] | — | — |
| Fervanite | Fe³⁺₄V⁵⁺₄O₁₆·5H₂O | — | — |
| Fettelite | [Ag₆As₂S₇][Ag₁₀HgAs₂S₈] | — | — |
| Feynmanite | Na(UO₂)(SO₄)(OH)·3.5H₂O | — | — |
| Fianelite | Mn²⁺₂((V,As)₂O₇) * 2H₂O | — | — |
| Fibroferrite | Fe³⁺(SO₄)(OH)·5H₂O | — | — |
| Fichtelite | C₁₉H₃₄ | 1.0 | — |
| Fiemmeite | Cu₂(C₂O₄)(OH)₂·2H₂O | — | — |
| Filatovite | K(Al,Zn)₂(As,Si)₂O₈ | — | — |
| Fizélyite | Ag₅Pb₁₄Sb₂₁S₄₈ | 2.0 | — |
| Fluor-rewitzerite | [(H₂O)K]Mn₂(Al₂Ti)(PO₄)₄(OF)(H₂O)₁₀·4H₂O | — | — |
| Fluorannite | KFe²⁺₃(AlSi₃O₁₀)(F,OH)₂ | — | — |
| Fluorarrojadite-(BaFe) | Na₂CaBaFe²⁺Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂ | — | — |
| Fluorarrojadite-(BaNa) | BaNa₄CaFe₁₃Al(PO₄)₁₁(PO₃OH)F₂ | — | — |
| Fluorbarytolamprophyllite | (Ba,Sr)₂[(Na,Fe²⁺)₃(Ti,Mg)F₂][Ti₂(Si₂O₇)₂O₂] | — | — |
| Fluorcanasite | K₃Na₃Ca₅Si₁₂O₃₀F₄·H₂O | — | — |
| Fluorcarmoite-(BaNa) | Ba☐ Na₂Na₂☐ CaMg₁₃Al(PO₄)₁₁(PO₃OH)F₂ | — | — |
| Fluorlamprophyllite | (SrNa)Ti₂Na₃Ti(Si₂O₇)₂O₂F₂ | — | — |
| Fluorluanshiweiite | — | — | — |
| Fluormacraeite | [(H₂O)K]Mn₂(Fe₂Ti)(PO₄)₄(OF)(H₂O)₁₀·4H₂O | — | — |
| Fluoro-cannilloite | CaCa₂(Mg₄Al)(Si₅Al₃)O₂₂F₂ | 6.0 | — |
| Fluoro-edenite | {Na}{Ca₂}{Mg₅}(AlSi₇O₂₂)(F,OH)₂ | 5.5 | — |
| Fluoro-leakeite | NaNa₂(Mg₂Al₂Li)Si₈O₂₂F₂ | 6.0 | — |
| Fluoro-nybøite | NaNa₂(Mg₃Al₂)(Si₇Al)O₂₂F₂ | 6.0 | — |
| Fluoro-pargasite | NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂ | — | — |
| Fluoro-pedrizite | NaLi₂(Mg₂Al₂Li)Si₈O₂₂F₂ | — | — |
| Fluoro-richterite | Na(NaCa)Mg₅Si₈O₂₂F₂ | 5.5 | — |