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Minerals containing aluminium
1,166 minerals
Aluminium — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Kalborsite | K₆Al₄BSi₆O₂₀(OH)₄Cl | Tetragonal | — | — |
| Kalinite | KAl(SO₄)₂·11H₂O | Monoclinic | — | — |
| Kaliophilite | KAlSiO₄ | Hexagonal | — | 2.54 g/cm³ |
| Kalsilite | KAlSiO₄ | Hexagonal | — | 2.54 g/cm³ |
| Kamaishilite | Ca₂(Al₂SiO₆)(OH)₂ | Tetragonal | — | — |
| Kamitugaite | PbAl[(UO₂)₅(PO₄)₂.₃₈(AsO₄)₀.₆₂O₂(OH)₂] * 1₁.₅H₂O | Triclinic | — | — |
| Kampfite | Ba₁₂(Si₁₁Al₅)O₃₁(CO₃)₈Cl₅ | Monoclinic | 3.0 | — |
| Kangite | (Sc,Ti,Al,Zr,Mg,Ca,☐)₂O₃ | Cubic | — | — |
| Kannanite | Ca₄Al₄(AlMg)(VO₄)(SiO₄)₂(Si₃O₁₀)(OH)₆ | Orthorhombic | — | — |
| Kanonaite | Mn³⁺AlOSiO₄ | — | — | — |
| Kaolinite | Al₂Si₂O₅(OH)₄ | Triclinic | 1.0 | — |
| Karasugite | SrCa[Al(F,OH)₇] | Monoclinic | — | — |
| Karchevskyite | Mg₁₈Al₉(OH)₅₄Sr₂(CO₃)₉(H₂O)₆(H₃O)₅ | Trigonal | — | — |
| Karnasurtite-(Ce) | (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si₂O₇)(OH)₄ * 3H₂O | Amorphous | — | — |
| Kaskasite | (Mo,Nb)S₂·(Mg₁₋ₓAlₓ)(OH)₂₊ₓ | Trigonal | — | — |
| Kastningite | (Mn²⁺,Fe²⁺,Mg)Al₂(PO₄)₂(OH)₂·8H₂O | — | — | — |
| Katoite | Ca₃Al₂(SiO₄)₃-x(OH)₄x (x = ₁.₅-₃) | Cubic | — | — |
| Katophorite | Na(NaCa)(Mg₄Al)(Si₇Al)O₂₂(OH)₂ | Monoclinic | — | — |
| Katoptrite | (Mn²⁺,Mg)₁₃(Al,Fe³⁺)₄Sb₅+₂(SiO₄)₂O₂₀ | — | — | — |
| Kayrobertsonite | [MnAl₂(PO₄)₂(OH)₂(H₂O)₄]*₂H₂O | Triclinic | — | — |
| Kayupovaite | Na₂Mn₁₀[(Si₁₄Al₂)O₃₈(OH)₈]·₇H₂O | Monoclinic | — | — |
| Kegelite | Pb₄Al₂Si₄O₁₀(SO₄)(CO₃)₂(OH)₄ | — | — | — |
| Kellyite | Mn²⁺₂Al(AlSiO₅)(OH)₄ | — | — | — |
| Kemmlitzite | SrAl₃(AsO₄)(SO₄)(OH)₆ | — | 5.5 | — |
| Khademite | AlSO₄F·5H₂O | — | — | — |
| Khaidarkanite | Cu₄Al₃(OH)₁₄F₃·2H₂O | Monoclinic | — | — |
| Khatyrkite | (Cu,Zn)Al₂ | Tetragonal | — | — |
| Khmaralite | (Mg,Al,Fe)₁₆[(Al,Si,Be)₁₂O₃₆]O₄ | — | — | — |
| Khristovite-(Ce) | {CaCe}{MgAlMn²⁺}(Si₂O₇)(SiO₄)(OH)F | Monoclinic | — | — |
| Kimzeyite | Ca₃(Zr,Ti)₂((Si,Al,Fe³⁺)O₄)₃ | Cubic | 7.0 | — |
| Kingite | Al₃(PO₄)₂F₂(OH) · 7H₂O | Triclinic | — | — |
| Kingsmountite | Ca₄(Fe²⁺,Mn²⁺)Al₄(PO₄)₆(OH)₄ * 12H₂O | Triclinic | — | — |
| Kinoshitalite | (Ba,K)(Mg,Mn²⁺,Al)₃(Al₂Si₂O₁₀)(OH)₂ | — | — | — |
| Kircherite | [Na₅Ca₂K](Si₆Al₆O₂₄)(SO₄)₂·0.33H₂O | Trigonal | — | — |
| Kiryuite | NaMnAl(PO₄)F₃ | Monoclinic | — | — |
| Kleemanite | ZnAl₂(PO₄)₂(OH)₂·3H₂O | Monoclinic | — | — |
| Klyuchevskite | K₃Cu₃(Fe³⁺,Al)(SO₄)₄O₂ | Monoclinic | — | — |
| Kobokoboite | Al₆(PO₄)₄(OH)₆·11H₂O | Triclinic | — | — |
| Koenenite | Na₄Mg₉Al₄Cl₁₂(OH)₂₂ | Trigonal | — | — |
| Kokchetavite | K(AlSi₃O₈) | Hexagonal | — | 2.46 g/cm³ |
| Kornerupine | Mg₃Al₆(Si,Al,B)₅O₂₁(OH) | Orthorhombic | — | — |
| Koryakite | NaKMg₂Al₂(SO₄)₆ | Trigonal | — | — |
| Kraisslite | Zn₃(Mn,Mg)₂₅(Fe³⁺,Al)(As³⁺O₃)₂[(Si,As₅+)O₄]₁₀(OH)₁₆ | — | — | — |
| Krasnoshteinite | Al₈[B₂O₄(OH)₂](OH)₁₆Cl₄*₇H₂O | — | — | — |
| Krasnovite | Ba(Al,Mg)(PO₄,CO₃)(OH)₂ * H₂O | Orthorhombic | — | — |
| Kribergite | Al₅(PO₄)₃(SO₄)(OH)₄ * 4H₂O | Triclinic | — | — |
| Krieselite | Al₂(GeO₄)F₂ | Orthorhombic | — | 4.02 g/cm³ |
| Krivovichevite | Pb₃Al(OH)₆SO₄(OH) | Trigonal | 3.0 | — |
| Krotite | CaAl₂O₄ | Monoclinic | 6.5 | — |
| Kruijenite | Ca₄Al₄(SO₄)F₂(OH)₁₆*₂H₂O | Tetragonal | 3.0 | — |
| Kryachkoite | (Al,Cu)₆(Fe,Cu) | Orthorhombic | — | — |
| Krásnoite | Ca₃Al₇.₇Si₃P₄O₂₂.₉(OH)₁₃.₃F₂·8H₂O | Trigonal | — | — |
| Kulanite | Ba(Fe²⁺,Mn²⁺,Mg)₂(Al,Fe³⁺)₂(PO₄)₃(OH)₃ | Monoclinic | — | — |
| Kuliokite-(Y) | Y₄Al(SiO₄)₂(OH)₂F₅ | Triclinic | — | — |
| Kulkeite | Mg₈Al(AlSi₇O₂₀)(OH)₁₀ | — | — | — |
| Kumdykolite | Na(AlSi₃O₈) | Orthorhombic | — | 2.64 g/cm³ |
| Kummerite | Mn²⁺Fe³⁺Al(PO₄)₂(OH)₂·8H₂O | Triclinic | — | — |
| Kuratite | Ca₂(Fe²⁺₅Ti)O₂[Si₄Al₂O₁₈] | Triclinic | — | — |
| Kurumsakite | Zn₈Al₈V⁵⁺₂Si₅O₃₅·27H₂O (?) | — | — | — |
| Kushiroite | CaAlAlSiO₆ | Monoclinic | — | — |
| Kuzelite | Ca₄Al₂(OH)₁₂[SO₄] * 6H₂O | — | — | — |
| Kyanite | Al₂OSiO₄ | Triclinic | 7.5 | 3.68 g/cm³ |
| Kyanoxalite | Na₇(Al₅-₆Si₆-₇O₂₄)(C₂O₄)₀.₅-₁.₀·5H₂O | Hexagonal | — | — |
| Kyrgyzstanite | ZnAl₄(SO₄)(OH)₁₂*₃H₂O | Monoclinic | — | — |
| Lacroixite | NaAl(PO₄)F | Monoclinic | — | — |
| Lanmuchangite | Tl+Al(SO₄)₂ * 12H₂O | — | — | — |
| Lannonite | Mg₂Ca₄Al₄(SO₄)₈F₈·24H₂O | Tetragonal | — | — |
| Lasnierite | (Ca,Sr)(Mg,Fe²⁺)₂Al(P[O,F]₄)₃ | Orthorhombic | — | — |
| Latiumite | (Ca,K)₄(Si,Al)₅O₁₁(SO₄,CO₃) | — | — | — |
| Laumontite | CaAl₂Si₄O₁₂·4H₂O | Monoclinic | — | — |
| Lavoisierite | Mn²⁺₈[Al₁₀(Mn³⁺Mg)][Si₁₁P]O₄₄(OH)₁₂ | Orthorhombic | — | — |
| Lawsonite | CaAl₂Si₂O₇(OH)₂·H₂O | Orthorhombic | 7.5 | — |
| Lazulite | MgAl₂(PO₄)₂(OH)₂ | Monoclinic | — | — |
| Lazurite | Na[(AlSiO4)SO4] | Cubic | 5.5 | — |
| Lefontite | Fe₂Al₂Be(PO₄)₂(OH)₆ | Orthorhombic | — | — |
| Leifite | Na₇Be₂(Si₁₅Al₃)O₃₉(F,OH)₂ | Trigonal | — | — |
| Lennilenapeite | K₆-₇(Mg,Mn,Fe,Zn)₄₈(Si,Al)₇₂(O,OH)₂₁₆ * 16H₂O | — | — | — |
| Leonardsenite | MgAlF₅·2H₂O | Orthorhombic | — | — |
| Leucite | K(AlSi₂O₆) | Tetragonal | — | — |
| Levantite | KCa₃Al₂(SiO₄)(Si₂O₇)(PO₄) | Monoclinic | — | — |