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Minerals containing magnesium
793 minerals
Magnesium — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Dollaseite-(Ce) | {CaCe}{MgAlMg}(Si₂O₇)(SiO₄)(OH)F | Monoclinic | — | — |
| Dolomite | CaMg(CO₃)₂ | Trigonal | — | 2.87 g/cm³ |
| Donpeacorite | (Mn²⁺,Mg)MgSi₂O₆₂ | Orthorhombic | — | 3.36 g/cm³ |
| Dorrite | Ca₄(Mg₃Fe³⁺₉)O₄(Si₃Al₈Fe³⁺O₃₆) | — | — | — |
| Dozyite | Mg₇Al₂(Si₄Al₂)O₁₅(OH)₁₂ | — | 2.5 | 2.66 g/cm³ |
| Dravertite | CuMg(SO₄)₂ | Monoclinic | 3.5 | — |
| Dravite | NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃OH | Trigonal | 7.0 | — |
| Dypingite | Mg₅(CO₃)₄(OH)₂·5H₂O | — | — | — |
| Eastonite | KMg₂Al(Al₂Si₂O₁₀)(OH)₂ | — | — | — |
| Eckermannite | NaNa₂(Mg₄Al)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Edenite | NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂ | Monoclinic | 5.5 | — |
| Efremovite | (NH₄)₂Mg₂(SO₄)₃ | Cubic | — | — |
| Eifelite | KNa₃Mg₄Si₁₂O₃₀ | — | — | 2.67 g/cm³ |
| Eitelite | Na₂Mg(CO₃)₂ | Trigonal | 3.5 | 2.80 g/cm³ |
| Ekplexite | (Nb,Mo)S₂·(Mg₁₋ₓAlₓ)(OH)₂₊ₓ | Trigonal | — | — |
| Ellenbergerite | Mg₆(Mg,Ti,Zr,☐)₂(Al,Mg)₆Si₈O₂₈(OH)₁₀ | — | — | — |
| Elliottite | NaMgAl₃(PO₄)₂F₆·9H₂O | Monoclinic | — | — |
| Enstatite | Mg₂Si₂O₆ | Orthorhombic | 5.5 | 3.20 g/cm³ |
| Epsomite | MgSO₄·7H₂O | Orthorhombic | 2.0 | 1.67 g/cm³ |
| Erikapohlite | Cu²⁺₃(Zn,Cu,Mg)₄Ca₂(AsO₄)₆·2H₂O | Monoclinic | — | 4.55 g/cm³ |
| Ernstburkeite | Mg(CH₃SO₃)₂·12H₂O | Trigonal | — | — |
| Espadaite | Na₄Ca₃Mg₂[AsO₃(OH)]₂[AsO₂(OH)₂]₁₀·7H₂O | Orthorhombic | — | — |
| Ewingite | Mg₈Ca₈(UO₂)₂₄(CO₃)₃₀O₄(OH)₁₂(H₂O)₁₃₈ | Tetragonal | — | — |
| Falsterite | Ca₂MgMn²⁺₂Fe²⁺₂Fe³⁺₂Zn₄(PO₄)₈(OH)₄(H₂O)₁₄ | Monoclinic | 2.0 | — |
| Farringtonite | Mg₃(PO₄)₂ | Monoclinic | — | 2.77 g/cm³ |
| Faujasite-Ca | (Ca,Na,Mg)₂(Si,Al)₁₂O₂₄·15H₂O | Cubic | — | — |
| Faujasite-Mg | (Mg,Na,K,Ca)₂(Si,Al)₁₂O₂₄·15H₂O | Cubic | — | — |
| Faujasite-Na | (Na,Ca,Mg)₂(Si,Al)₁₂O₂₄·15H₂O | Cubic | — | — |
| Fedorovskite | Ca₂Mg₂B₄O₇(OH)₆ | Orthorhombic | — | — |
| Feodosiyite | Cu₁₁Mg₂Cl₁₈(OH)₈·16H₂O | Monoclinic | — | — |
| Ferraioloite | MgMn²⁺₄(Fe²⁺₀.₅Al³⁺₀.₅)₄Zn₄(PO₄)₈(OH)₄(H₂O)₂₀ | Monoclinic | — | — |
| Ferri-fluoro-katophorite | Na(NaCa)(Mg₄Fe³⁺)(Si₇Al)O₂₂F₂ | Monoclinic | — | — |
| Ferri-fluoro-leakeite | NaNa₂(Mg₂Fe³⁺₂Li)Si₈O₂₂F₂ | Monoclinic | — | — |
| Ferri-ghoseite | ☐(NaMn²⁺)(Mg₄Fe³⁺)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Ferri-kaersutite | NaCa₂(Mg₃Fe³⁺Ti)Si₆Al₂O₂₂O₂ | Monoclinic | — | — |
| Ferri-katophorite | Na(NaCa)(Mg₄Fe³⁺)(Si₇Al)O₂₂(OH)₂ | Monoclinic | — | — |
| Ferri-leakeite | NaNa₂(Mg₂Fe³⁺₂Li)Si₈O₂₂(OH)₂ | Monoclinic | 6.0 | — |
| Ferri-obertiite | Na(Na₂)(Mg₃Fe³⁺Ti)(Si₈O₂₂)O₂ | Monoclinic | — | — |
| Ferri-pedrizite | NaLi₂(Fe³⁺₂Mg₂Li)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Ferri-taramite | Na(NaCa)(Mg₃Fe³⁺₂)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Ferri-winchite | ☐(NaCa)(Mg₄Fe³⁺)Si₈O₂₂(OH)₂ | Monoclinic | 5.5 | — |
| Ferriallanite-(La) | Ca(La,Ce,Th)(Fe³⁺,Al)(Al,Fe³⁺)(Fe²⁺,Mn,Ti,Mg)(SiO₄)(Si₂O₇)O(OH) | Monoclinic | — | — |
| Ferrierite-Mg | [Mg₂(K,Na)₂Ca₀.₅](Si₂₉Al₇)O₇₂·18H₂O | Orthorhombic | — | — |
| Ferrierite-NH4 | (NH₄,Mg₀.₅)₅(Al₅Si₃₁O₇₂)·22H₂O | Orthorhombic | — | — |
| Ferrisepiolite | (Fe³⁺,Fe²⁺,Mg)₄[(Si,Fe³⁺)₆O₁₅](O,OH)₂·6H₂O | Orthorhombic | 2.5 | — |
| Ferroaluminoceladonite | K(Fe²⁺,Mg)(Al,Fe³⁺)(Si₄O₁₀)(OH)₂ | — | — | — |
| Ferrocarpholite | (Fe²⁺,Mg)Al₂(Si₂O₆)(OH)₄ | — | — | — |
| Ferroceladonite | K(Fe²⁺,Mg)(Fe³⁺,Al)(Si₄O₁₀)(OH)₂ | — | — | — |
| Ferrohögbomite-2N2S | [(Fe²⁺,Mg,Zn,Al)₃(Al,Ti,Fe³⁺)₈O₁₅(OH)]₂ | Hexagonal | — | — |
| Ferroindialite | (Fe²⁺,Mg)₂Al₄Si₅O₁₈ | Hexagonal | — | — |
| Ferrokinoshitalite | (Ba,K)(Fe²⁺,Mg)₃(Al₂Si₂O₁₀)(OH,F)₂ | — | — | — |
| Ferroqingheiite | Na₂Fe²⁺MgAl(PO₄)₃ | Monoclinic | — | — |
| Ferrosaponite | Ca₀.₃(Fe²⁺,Mg,Fe³⁺)₃((Si,Al)₄O₁₀)(OH)₂·4H₂O | — | — | — |
| Ferrotaaffeite-2N'2S | (Fe²⁺,Mg,Zn)₃Al₈BeO₁₆ | Hexagonal | — | — |
| Ferrovalleriite | 2[(Fe,Cu)S]·1.53[(Fe,Al,Mg)(OH)₂] | Trigonal | — | — |
| Ferrowyllieite | (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO₄)₃ | — | — | — |
| Feruvite | Ca(Fe²⁺)₃MgAl₅(Si₆O₁₈)(BO₃)₃(OH)₃(OH) | Trigonal | 7.0 | — |
| Fluoborite | Mg₃(BO₃)(F,OH)₃ | Hexagonal | — | — |
| Fluor-dravite | NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃F | Trigonal | 7.0 | — |
| Fluor-uvite | CaMg₃(Al₅Mg)(Si₆O₁₈)(BO₃)₃(OH)₃F | Trigonal | 7.5 | — |
| Fluorbarytolamprophyllite | (Ba,Sr)₂[(Na,Fe²⁺)₃(Ti,Mg)F₂][Ti₂(Si₂O₇)₂O₂] | Monoclinic | — | — |
| Fluorcarmoite-(BaNa) | Ba☐ Na₂Na₂☐ CaMg₁₃Al(PO₄)₁₁(PO₃OH)F₂ | Monoclinic | — | — |
| Fluornatrocoulsellite | (Na₁.₅Ca₀.₅)(Mg₁.₅Al₀.₅)F₆F | Trigonal | 4.5 | — |
| Fluoro-cannilloite | CaCa₂(Mg₄Al)(Si₅Al₃)O₂₂F₂ | Monoclinic | 6.0 | — |
| Fluoro-edenite | {Na}{Ca₂}{Mg₅}(AlSi₇O₂₂)(F,OH)₂ | Monoclinic | 5.5 | — |
| Fluoro-leakeite | NaNa₂(Mg₂Al₂Li)Si₈O₂₂F₂ | Monoclinic | 6.0 | — |
| Fluoro-nybøite | NaNa₂(Mg₃Al₂)(Si₇Al)O₂₂F₂ | Monoclinic | 6.0 | — |
| Fluoro-pargasite | NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂ | Monoclinic | — | — |
| Fluoro-pedrizite | NaLi₂(Mg₂Al₂Li)Si₈O₂₂F₂ | Monoclinic | — | — |
| Fluoro-richterite | Na(NaCa)Mg₅Si₈O₂₂F₂ | Monoclinic | 5.5 | — |
| Fluoro-taramite | NaCaNa(Mg₃Al₂)Al₂Si₆O₂₂F₂ | Monoclinic | — | — |
| Fluoro-tremolite | ☐{Ca₂}{Mg₅}(Si₈O₂₂)F₂ | Monoclinic | — | — |
| Fluorokinoshitalite | BaMg₃Al₂Si₂O₁₀F₂ | Monoclinic | — | — |
| Fluorophlogopite | KMg₃(Si₃Al)O₁₀F₂ | Monoclinic | — | — |
| Fluorotetraferriphlogopite | KMg₃Fe³⁺Si₃O₁₀F₂ | Monoclinic | — | — |
| Fluorvesuvianite | Ca₁₉(Al,Mg,Fe²⁺)₁₃(Si₂O₇)₄(SiO₄)₁₀O(F,OH)₉ | Tetragonal | 6.0 | 3.43 g/cm³ |
| Folvikite | Sb⁵⁺Mn³⁺(Mg,Mn²⁺)₁₀O₈(BO₃)₄ | Monoclinic | 6.0 | — |
| Forsterite | Mg₂SiO₄ | Orthorhombic | 7.0 | 3.24 g/cm³ |
| Franklinphilite | (K,Na)₄(Mn²⁺,Mg,Zn)₄₈(Si,Al)₇₂(O,OH)₂₁₆·6H₂O | — | — | — |
| Fredrikssonite | Mg₂Mn³⁺O₂(BO₃) | Orthorhombic | 6.0 | — |