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Minerals containing magnesium
793 minerals
Magnesium — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Jarlite | Na₂(Sr,Na)₁₄Mg₂Al₁₂F₆₄(OH,H₂O)₄ | Monoclinic | — | — |
| Jeffbenite | Mg₃Al₂Si₃O₁₂ | Tetragonal | — | — |
| Jianshuiite | MgMn⁴⁺₃O₇(H₂O)₃ | Triclinic | — | — |
| Jimthompsonite | Mg₅Si₆O₁₆(OH)₂ | Orthorhombic | — | — |
| Joesmithite | PbCa₂(Mg₃Fe³⁺₂)(Be₂Si₆)O₂₂(OH)₂ | Monoclinic | 5.5 | — |
| Johillerite | NaCuMg₃(AsO₄)₃ | Monoclinic | 3.0 | — |
| Johninnesite | Na₂Mn²⁺₉Mg₇(OH)₈[AsO₄]₂[Si₆O₁₇]₂ | Triclinic | — | — |
| Johnsomervilleite | Na₁₀Ca₆Mg₁₈Fe²⁺₂₅(PO₄)₃₆ | Trigonal | — | — |
| Juanite | Ca₁₀Mg₄Al₂Si₁₁O₃₉·4H₂O or near | — | — | — |
| Julgoldite-(Mg) | Ca₂MgFe³⁺₂(Si₂O₇)(SiO₄)(OH)₂·H₂O | Monoclinic | — | — |
| Kaersutite | NaCa₂(Mg₃AlTi)(Si₆Al₂)O₂₂O₂ | Monoclinic | — | — |
| Kainite | KMg(SO₄)Cl·3H₂O | Monoclinic | — | 2.10 g/cm³ |
| Kaliborite | HKMg₂B₁₂O₁₆(OH)₁₀·4H₂O | Monoclinic | — | — |
| Kampelite | Ba₆Mg₃Sc₈(PO₄)₁₂(OH)₆*₇H₂O | Orthorhombic | — | — |
| Kangite | (Sc,Ti,Al,Zr,Mg,Ca,☐)₂O₃ | Cubic | — | — |
| Kannanite | Ca₄Al₄(AlMg)(VO₄)(SiO₄)₂(Si₃O₁₀)(OH)₆ | Orthorhombic | — | — |
| Kanoite | Mn²⁺(Mg,Mn²⁺)Si₂O₆ | Monoclinic | — | — |
| Kantorite | K₂NaMg(SO₄)₂F | Orthorhombic | — | — |
| Karchevskyite | Mg₁₈Al₉(OH)₅₄Sr₂(CO₃)₉(H₂O)₆(H₃O)₅ | Trigonal | — | — |
| Karlite | Mg₇(BO₃)₃(OH,Cl)₅ | Orthorhombic | 5.5 | — |
| Karpinskite | (Mg,Ni)₂Si₂O₅(OH)₂ (?) | — | — | — |
| Karwowskiite | Ca₉Mg(Fe²⁺₀,₅◻₀,₅)(PO₄)₇ | Trigonal | — | 3.08 g/cm³ |
| Kaskasite | (Mo,Nb)S₂·(Mg₁₋ₓAlₓ)(OH)₂₊ₓ | Trigonal | — | — |
| Kastningite | (Mn²⁺,Fe²⁺,Mg)Al₂(PO₄)₂(OH)₂·8H₂O | — | — | — |
| Katophorite | Na(NaCa)(Mg₄Al)(Si₇Al)O₂₂(OH)₂ | Monoclinic | — | — |
| Katoptrite | (Mn²⁺,Mg)₁₃(Al,Fe³⁺)₄Sb₅+₂(SiO₄)₂O₂₀ | — | — | — |
| Keystoneite | Mg₀.₅NiFe³⁺(Te⁴⁺O₃)₃·4.5H₂O | — | — | — |
| Khesinite | Ca₄(Mg₃Fe³⁺₉)O₄(Fe³⁺₉Si₃)O₃₆ | Triclinic | — | — |
| Khmaralite | (Mg,Al,Fe)₁₆[(Al,Si,Be)₁₂O₃₆]O₄ | — | — | — |
| Khristovite-(Ce) | {CaCe}{MgAlMn²⁺}(Si₂O₇)(SiO₄)(OH)F | Monoclinic | — | — |
| Kidodite | BaMg₂Fe₁₆O₂₇ | Hexagonal | — | — |
| Kieserite | Mg(SO₄)(H₂O) | Monoclinic | 3.5 | — |
| Kinichilite | Mg₀.₅Mn²⁺Fe³⁺(Te⁴⁺O₃)₃·4.5H₂O | — | — | — |
| Kinoshitalite | (Ba,K)(Mg,Mn²⁺,Al)₃(Al₂Si₂O₁₀)(OH)₂ | — | — | — |
| Knorringite | Mg₃Cr₂(SiO₄)₃ | Cubic | — | — |
| Koenenite | Na₄Mg₉Al₄Cl₁₂(OH)₂₂ | Trigonal | — | — |
| Koksharovite | CaMg₂Fe³⁺₄(VO₄)₆ | Triclinic | 4.5 | — |
| Kononovite | NaMg(SO₄)F | Monoclinic | — | 2.80 g/cm³ |
| Konyaite | Na₂Mg(SO₄)₂ * 5H₂O | — | — | — |
| Kornerupine | Mg₃Al₆(Si,Al,B)₅O₂₁(OH) | Orthorhombic | — | — |
| Korshunovskite | Mg₂Cl(OH)₃·4H₂O | Triclinic | — | — |
| Koryakite | NaKMg₂Al₂(SO₄)₆ | Trigonal | — | — |
| Kotoite | Mg₃(BO₃)₂ | Orthorhombic | 6.5 | 3.11 g/cm³ |
| Kovdorskite | Mg₂PO₄(OH)·3H₂O | — | — | — |
| Kraisslite | Zn₃(Mn,Mg)₂₅(Fe³⁺,Al)(As³⁺O₃)₂[(Si,As₅+)O₄]₁₀(OH)₁₆ | — | — | — |
| Krasheninnikovite | KNa₂CaMg(SO₄)₃F | Hexagonal | — | — |
| Krasnovite | Ba(Al,Mg)(PO₄,CO₃)(OH)₂ * H₂O | Orthorhombic | — | — |
| Krinovite | Na₂Mg₄Cr³⁺₂(Si₆O₁₈)O₂ | — | — | — |
| Kryzaite | Na₄(MgCr)(PO₄)₃ | Trigonal | — | — |
| Kudryavtsevaite | Na₃MgFe³⁺Ti₄O₁₂ | Orthorhombic | — | — |
| Kulanite | Ba(Fe²⁺,Mn²⁺,Mg)₂(Al,Fe³⁺)₂(PO₄)₃(OH)₃ | Monoclinic | — | — |
| Kuliginite | Fe₃Mg(OH)₆Cl₂ | Trigonal | — | — |
| Kulkeite | Mg₈Al(AlSi₇O₂₀)(OH)₁₀ | — | — | — |
| Kurchatovite | Ca(Mg,Mn²⁺)[B₂O₅] | Orthorhombic | — | — |
| Kurnakovite | Mg[B₃O₃(OH)₅](H₂O)₄·H₂O | Triclinic | — | — |
| Labuntsovite-Mg | Na₄K₄Mg₂Ti₈O₄(Si₄O₁₂)₄(OH)₄·10-12H₂O | — | — | — |
| Langbeinite | K₂Mg₂(SO₄)₃ | Cubic | — | 2.84 g/cm³ |
| Lannonite | Mg₂Ca₄Al₄(SO₄)₈F₈·24H₂O | Tetragonal | — | — |
| Lansfordite | MgCO₃·5H₂O | Monoclinic | — | — |
| Lasalite | Na₂Mg₂V₁₀O₂₈·20H₂O | Monoclinic | 1.0 | — |
| Lasnierite | (Ca,Sr)(Mg,Fe²⁺)₂Al(P[O,F]₄)₃ | Orthorhombic | — | — |
| Lavoisierite | Mn²⁺₈[Al₁₀(Mn³⁺Mg)][Si₁₁P]O₄₄(OH)₁₂ | Orthorhombic | — | — |
| Lawsonbauerite | (Mn²⁺,Mg)₉Zn₄(SO₄)₂(OH)₂₂ * 8H₂O | Monoclinic | — | — |
| Lazulite | MgAl₂(PO₄)₂(OH)₂ | Monoclinic | — | — |
| Leisingite | [Mg(H₂O)₆]Cu₂MgTe⁶⁺O₆ | Trigonal | — | — |
| Lennilenapeite | K₆-₇(Mg,Mn,Fe,Zn)₄₈(Si,Al)₇₂(O,OH)₂₁₆ * 16H₂O | — | — | — |
| Leonardsenite | MgAlF₅·2H₂O | Orthorhombic | — | — |
| Leonite | K₂Mg(SO₄)₂·4H₂O | — | 2.8 | 2.20 g/cm³ |
| Leybovite-K | KCuNa(MgFe³⁺)(AsO₄)₃ | Monoclinic | — | — |
| Lileyite | Ba₂Ti₂Na₂Fe²⁺Mg(Si₂O₇)₂O₂F₂ | Monoclinic | — | — |
| Lipuite | KNa₈Mn³⁺₅Mg₀.₅[Si₁₂O₃₀(OH)₄](PO₄)O₂(OH)₂·4H₂O | Orthorhombic | — | — |
| Lizardite | Mg₃Si₂O₅(OH)₄ | Monoclinic | 2.5 | 2.49 g/cm³ |
| Lobanovite | K₂Na(Fe²⁺₄Mg₂Na)Ti₂(Si₄O₁₂)₂O₂(OH)₄ | — | — | — |
| Longshoushanite-(Ce) | Ce₄MgAl₂Ti₂(Si₂O₇)₂O₈ | Monoclinic | — | — |
| Loseyite | (Mn²⁺,Zn,Mg)₄Zn₃(CO₃)₂(OH)₁₀ | Monoclinic | — | — |
| Loughlinite | Na₂Mg₃Si₆O₁₆ * 8H₂O | — | — | — |
| Lourenswalsite | (K,Ba)₂(Ti,Mg,Ca,Fe)₄(Si,Al,Fe)₆O₁₄(OH)₁₂ | Hexagonal | — | — |
| Loveringite | (Ca,Ce,La)(Zr,Fe)(Mg,Fe)₂(Ti,Fe,Cr,Al)₁₈O₃₈ | Hexagonal | 5.0 | 4.42 g/cm³ |
| Ludwigite | Mg₂Fe³⁺O₂(BO₃) | Orthorhombic | 5.5 | — |
| Luinaite-(OH) | (Na,☐)(Fe²⁺,Mg)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄ | Monoclinic | — | — |