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Minerals containing magnesium
793 minerals
Magnesium — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Friedrichbeckeite | K(☐Na)Mg₂(Be₂Mg)Si₁₂O₃₀ | Hexagonal | 6.0 | 2.69 g/cm³ |
| Fuyuanite | Mg₇Nb₆O₁₈(OH)₈ | Trigonal | — | — |
| Ganterite | (Ba,Na,K)(Al,Mg)₂(AlSi₃O₁₀)(OH)₂ | — | — | — |
| Garmite | CsLiMg₂(Si₄O₁₀)F₂ | Monoclinic | — | — |
| Garyansellite | (Mg,Fe)₃(PO₄)₂(OH,O) * 1.₅H₂O | Orthorhombic | — | — |
| Gatelite-(Ce) | CaCe₃Al₂(Al,Mg)(Mg,Fe²⁺,Al)(Si₂O₇)(SiO₄)₃(O,F)(OH,O)₂ | Monoclinic | — | — |
| Gedrite | ☐Mg₂Mg₃Al₂(Si₆Al₂)O₂₂(OH)₂ | Orthorhombic | — | — |
| Geikielite | MgTiO₃ | Trigonal | — | 3.89 g/cm³ |
| George-ericksenite | Na₆CaMg(IO₃)₆(CrO₄)₂·12H₂O | Monoclinic | — | — |
| Gerstmannite | MnMgZn(SiO₄)(OH)₂ | Orthorhombic | — | — |
| Giorgiosite | Mg₅(CO₃)₄(OH)₂·5H₂O | — | — | — |
| Girvasite | NaCa₂Mg₃(PO₄)₃(CO₃)(H₂O)₆ | Monoclinic | — | — |
| Glagolevite | Na(Mg,Al)₆(AlSi₃O₁₀)(OH,O)₈ | — | — | — |
| Glaucophane | ☐Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂ | Monoclinic | 6.0 | — |
| Glushinskite | Mg(C₂O₄)·2H₂O | Monoclinic | 2.0 | 1.85 g/cm³ |
| Gonyerite | (Mn²⁺,Mg)₅Fe³⁺(Fe³⁺Si₃O₁₀)(OH)₈ | — | — | — |
| Gordonite | MgAl₂(PO₄)₂(OH)₂·8H₂O | — | — | — |
| Gormanite | (Fe²⁺,Mg)₃(Al,Fe³⁺)₄(PO₄)₄(OH)₆ * 2H₂O | — | — | — |
| Gottardiite | Na₃Mg₃Ca₅Al₁₉Si₁₁₇O₂₇₂·93H₂O | Orthorhombic | — | — |
| Gottlobite | CaMg(VO₄)OH | Orthorhombic | 4.5 | — |
| Grandidierite | (Mg,Fe²⁺)(Al,Fe³⁺)₃(SiO₄)(BO₃)O₂ | Orthorhombic | — | — |
| Griphite | Na₄Li₂Ca₆(Mn²⁺,Fe²⁺,Mg)₁₉Al₈(PO₄)₂₄(F,OH)₈ | — | — | — |
| Gritsenkoite | CoMg₂(AsO₄)₂(H₂O)₈ | Monoclinic | — | — |
| Grossmanite | Ca(Ti³⁺,Mg,Ti⁴⁺)AlSiO₆ | Monoclinic | — | — |
| Guanacoite | Cu₂Mg₃(OH)₄(AsO₄)₂·4H₂O | Monoclinic | 3.0 | — |
| Haapalaite | (Fe²⁺,Ni)₂(Mg,Fe²⁺)₁.₆₁S₂(OH)₃.₂₂ | Hexagonal | — | — |
| Halurgite | Mg₄[B₈O₁₃(OH)₂]₂·7H₂O | — | — | — |
| Hannayite | (NH₄)₂Mg₃(PO₃OH)₄·8H₂O | — | — | — |
| Harkerite | Ca₄₈Mg₁₆[AlSi₄O₁₅(OH)]₄(BO₃)₁₆(CO₃)₁₆·2(H₂O,HCl) | Trigonal | — | — |
| Harstigite | Ca₆(Mn,Mg)Be₄Si₆(O,OH)₂₄ | Orthorhombic | — | — |
| Hauckite | Fe³⁺₃(Mg,Mn²⁺)₂₄Zn₁₈(SO₄)₄(CO₃)₂(OH)₈₁ | Hexagonal | — | — |
| Haydeeite | Cu₃Mg(OH)₆Cl₂ | Trigonal | — | — |
| Hazenite | KNaMg₂(PO₄)₂ * 14H₂O | Orthorhombic | — | — |
| Hectorite | H₂LiMgNaO₁₂Si₄²⁻ | Monoclinic | — | — |
| Hedegaardite | (Ca,Na)₉(Ca,Na)Mg(PO₄)₆(PO₃OH) | Trigonal | — | — |
| Hematolite | (Mn,Mg,Al)₁₅(AsO₄)₂(AsO₃)(OH)₂₃ | Trigonal | — | — |
| Hemleyite | (Fe²⁺₀.₄₈Mg₀.₃₇Ca₀.₀₄Na₀.₀₄Mn²⁺₀.₀₃Al₀.₀₃Cr³⁺₀.₀₁)sum=₁.₀₀Si₁.₀₀O₃ | Trigonal | — | — |
| Hendricksite | K(Zn,Mg,Mn²⁺)₃(AlSi₃O₁₀)(OH)₂ | — | — | — |
| Hexahydrite | Mg(SO₄)(H₂O)₆ | Monoclinic | — | — |
| Hillesheimite | (K,Ca,Ba,☐)₂(Mg,Fe,Ca,☐)₂[(Si,Al)₁₃O₂₃(OH)₆](OH)·8H₂O | Orthorhombic | — | — |
| Hillite | Ca₂(Zn,Mg)(PO₄)₂ * 2 H₂O | — | — | — |
| Hinokageite | MnMg(SiO₄) | Orthorhombic | — | — |
| Hjalmarite | {Na}{NaMn}{Mg₅}Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Holdenite | (Mn²⁺,Mg)₆Zn₃(AsO₄)₂(SiO₄)(OH)₈ | — | — | — |
| Holmquistite | Li₂(Mg₃Al₂)Si₈O₂₂(OH)₂ | Orthorhombic | — | — |
| Hongheite | Ca₁₉Fe²⁺Al₄(Fe³⁺,Mg,Al)₈(☐,B)₄BSi₁₈O₆₉(O,OH)₉ | Tetragonal | — | — |
| Huanzalaite | Mg(WO₄) | Monoclinic | — | 6.87 g/cm³ |
| Hubbardite | Mg(H₂O)₆[(UO₂)₂O(OH)(SO₄)]₂·8H₂O | Orthorhombic | — | — |
| Huemulite | Na₄Mg(V₁₀O₂₈)·24H₂O | Triclinic | — | 2.36 g/cm³ |
| Humberstonite | K₃Na₇Mg₂(SO₄)₆(NO₃)₂·6H₂O | Trigonal | 2.5 | — |
| Humite | Mg₇(SiO₄)₃(F,OH)₂ | Orthorhombic | 6.0 | — |
| Hummerite | KMgV⁵⁺₅O₁₄·8H₂O | Triclinic | — | — |
| Hungchaoite | Mg(B₄O₇) * 9H₂O | Triclinic | — | — |
| Huntite | CaMg₃(CO₃)₄ | Trigonal | — | — |
| Hydrobiotite | K(Mg,Fe²⁺)₆((Si,Al)₈O₂₀)(OH)₄ * nH₂O | — | — | — |
| Hydroboracite | CaMg[B₃O₄(OH)₃]₂·3H₂O | Monoclinic | — | — |
| Hydrokenoralstonite | Na₀.₅(Al,Mg)₂(F,OH)₆·H₂O | Cubic | 4.5 | — |
| Hydromagnesite | Mg₅(CO₃)₄(OH)₂·4H₂O | Monoclinic | 3.5 | — |
| Hydrotalcite | Mg₆Al₂(CO₃)(OH)₁₆ * 4H₂O | Trigonal | 2.0 | — |
| Hydroxylborite | Mg₃(BO₃)(OH)₃ | Hexagonal | — | — |
| Hydroxylchondrodite | Mg₅(SiO₄)₂(OH)₂ | Monoclinic | — | — |
| Hydroxylclinohumite | Mg₉(SiO₄)₄(OH)₂ | — | 6.5 | — |
| Hydroxylwagnerite | Mg₂(PO₄)(OH) | Monoclinic | — | 2.87 g/cm³ |
| Hylbrownite | Na₃MgP₃O₁₀·12H₂O | Monoclinic | — | — |
| Hörnesite | Mg₃(AsO₄)₂·8H₂O | — | 1.0 | — |
| Ilirneyite | Mg₀.₅ZnMn³⁺(Te₄+O₃)₃·4.5H₂O | Hexagonal | — | — |
| Inderborite | CaMg[B₃O₃(OH)₅]₂(H₂O)₄·2H₂O | Monoclinic | — | — |
| Inderite | MgB₃O₃(OH)₅·5H₂O | Monoclinic | — | — |
| Indialite | Mg₂Al₃(AlSi₅O₁₈) | Hexagonal | — | 2.42 g/cm³ |
| Indigirite | Mg₂Al₂(CO₃)₄(OH)₂·15H₂O | — | — | — |
| Iowaite | Mg₆Fe³⁺₂(OH)₁₆Cl₂·4H₂O | Hexagonal | 1.5 | 2.10 g/cm³ |
| Iquiqueite | K₃Na₄Mg(CrO₄)B₂₄O₃₉(OH)·12H₂O | Hexagonal | — | — |
| Irhtemite | Ca₄Mg(AsO₄)₂(HAsO₄)₂·4H₂O | Monoclinic | — | — |
| Isokite | CaMg(PO₄)F | — | — | — |
| Itelmenite | Na₄Mg₃Cu₃(SO₄)₈ | Orthorhombic | — | — |
| Jahnsite-(CaFeMg) | CaFe²⁺Mg₂Fe³⁺₂(PO₄)₄(OH)₂·8H₂O | Monoclinic | — | — |
| Jahnsite-(CaMnMg) | CaMn²⁺Mg₂Fe³⁺₂(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |
| Jahnsite-(MnMnMg) | Mn²⁺Mn²⁺Mg₂Fe³⁺₂(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |
| Jahnsite-(NaFeMg) | NaFe³⁺Mg₂Fe³⁺₂(PO₄)₄(OH)₂·8H₂O | Monoclinic | — | — |
| Jahnsite-(NaMnMg) | {(Na,Ca)}{(Mn²⁺,Fe³⁺)}{(Mg,Fe³⁺)₂}{Fe³⁺₂}(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |