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Minerals containing silicon
1,605 minerals
Silicon — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Kukisvumite | Na₆ZnTi₄(Si₈O₂₄)O₄ * 4H₂O | — | — | — |
| Kuliokite-(Y) | Y₄Al(SiO₄)₂(OH)₂F₅ | Triclinic | — | — |
| Kulkeite | Mg₈Al(AlSi₇O₂₀)(OH)₁₀ | — | — | — |
| Kumdykolite | Na(AlSi₃O₈) | Orthorhombic | — | 2.64 g/cm³ |
| Kumtyubeite | Ca₅(SiO₄)₂F₂ | Monoclinic | — | — |
| Kupletskite | (K,Na)₃(Mn,Fe)₇Ti₂Si₈O₂₆(OH)₄F | — | — | — |
| Kupletskite-(Cs) | Cs₂NaMn²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F | — | — | — |
| Kuratite | Ca₂(Fe²⁺₅Ti)O₂[Si₄Al₂O₁₈] | Triclinic | — | — |
| Kurumsakite | Zn₈Al₈V⁵⁺₂Si₅O₃₅·27H₂O (?) | — | — | — |
| Kushiroite | CaAlAlSiO₆ | Monoclinic | — | — |
| Kuzmenkoite-Mn | K₂MnTi₄(Si₄O₁₂)₂(OH)₄·5-6H₂O | — | — | — |
| Kuzmenkoite-Zn | K₂ZnTi₄(Si₄O₁₂)₂(OH)₄·6-8H₂O | — | — | — |
| Kvanefjeldite | Na₄(Ca,Mn)(Si₃O₇)₂(OH)₂ | Orthorhombic | — | — |
| Kyanite | Al₂OSiO₄ | Triclinic | 7.5 | 3.68 g/cm³ |
| Kyanoxalite | Na₇(Al₅-₆Si₆-₇O₂₄)(C₂O₄)₀.₅-₁.₀·5H₂O | Hexagonal | — | — |
| Labuntsovite-Fe | Na₄K₄Fe²⁺₂Ti₈O₄(Si₄O₁₂)₄(OH)₄·10-12H₂O | — | — | — |
| Labuntsovite-Mg | Na₄K₄Mg₂Ti₈O₄(Si₄O₁₂)₄(OH)₄·10-12H₂O | — | — | — |
| Labuntsovite-Mn | Na₄K₄Mn²⁺₂Ti₈O₄(Si₄O₁₂)₄(OH)₄·10-12H₂O | — | — | — |
| Labyrinthite | (Na,K,Sr)₃₅Ca₁₂Fe₃Zr₆TiSi₅₁O₁₄₄(O,OH,H₂O)₉Cl₃ | Trigonal | — | — |
| Laihunite | Fe²⁺Fe³⁺₂(SiO₄)₂ | Monoclinic | 6.0 | — |
| Lalondeite | (Na,Ca)₆(Ca,Na)₃Si₁₆O₃₈(F,OH)₂*₃H₂O | — | — | — |
| Lamprophyllite | (SrNa)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂ | Monoclinic | — | — |
| Laplandite-(Ce) | Na₄CeTiPO₄Si₇O₁₈ * 5H₂O | — | — | — |
| Laptevite-(Ce) | NaFe²⁺(REE₇Ca₅Y₃)(SiO₄)₄(Si₃B₂PO₁₈)(BO₃)F₁₁ | Trigonal | — | — |
| Larnite | Ca₂SiO₄ | Monoclinic | 6.0 | 2.96 g/cm³ |
| Larsenite | PbZnSiO₄ | Orthorhombic | — | 5.83 g/cm³ |
| Latiumite | (Ca,K)₄(Si,Al)₅O₁₁(SO₄,CO₃) | — | — | — |
| Laumontite | CaAl₂Si₄O₁₂·4H₂O | Monoclinic | — | — |
| Laurentianite | [NbO(H₂O)]₃(Si₂O₇)₂[Na(H₂O)₂]₃ | Trigonal | — | — |
| Laverovite | K₂NaMn₇Zr₂(Si₄O₁₂)₂O₂(OH)₄F | Triclinic | — | — |
| Lavinskyite | K(LiCu)Cu₆(Si₄O₁₁)₂(OH)₄ | Orthorhombic | 5.0 | — |
| Lavoisierite | Mn²⁺₈[Al₁₀(Mn³⁺Mg)][Si₁₁P]O₄₄(OH)₁₂ | Orthorhombic | — | — |
| Lawsonite | CaAl₂Si₂O₇(OH)₂·H₂O | Orthorhombic | 7.5 | — |
| Lazurite | Na[(AlSiO4)SO4] | Cubic | 5.5 | — |
| Lechatelierite | SiO₂ | Amorphous | 5.5 | 2.12 g/cm³ |
| Leifite | Na₇Be₂(Si₁₅Al₃)O₃₉(F,OH)₂ | Trigonal | — | — |
| Lemmleinite-Ba | Na₄K₄Ba₂₊ₓTi₈(Si₄O₁₂)₄(OH,O)₈·8H₂O | — | — | — |
| Lemmleinite-K | Na₄K₈Ti₈(Si₄O₁₂)₄(OH,O)₈·8H₂O | — | — | — |
| Lemoynite | (Na,K)₂CaZr₂Si₁₀O₂₆ * 5H₂O | Monoclinic | — | — |
| Lennilenapeite | K₆-₇(Mg,Mn,Fe,Zn)₄₈(Si,Al)₇₂(O,OH)₂₁₆ * 16H₂O | — | — | — |
| Lepersonnite-(Gd) | CaGd₂(UO₂)₂₄(CO₃)₈Si₄O₂₈·60H₂O | Orthorhombic | — | — |
| Lepkhenelmite-Zn | Ba₂Zn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·7H₂O | — | — | — |
| Letnikovite-(Ce) | (Na◻)Ca₂Ce₂[Si₇O₁₇(OH)]F₄(H₂O)₄ | Monoclinic | — | — |
| Leucite | K(AlSi₂O₆) | Tetragonal | — | — |
| Leucophanite | NaCaBeSi₂O₆F | Orthorhombic | — | 2.97 g/cm³ |
| Leucophoenicite | Mn²⁺₇(SiO₄)₃(OH)₂ | Monoclinic | — | — |
| Leucosphenite | BaNa₄Ti₂B₂Si₁₀O₃₀ | Monoclinic | — | — |
| Levantite | KCa₃Al₂(SiO₄)(Si₂O₇)(PO₄) | Monoclinic | — | — |
| Liberite | Li₂BeSiO₄ | Monoclinic | 7.0 | 2.74 g/cm³ |
| Liebauite | Ca₃Cu₅Si₉O₂₆ | Monoclinic | — | — |
| Liebenbergite | Ni₂SiO₄ | Orthorhombic | — | 4.95 g/cm³ |
| Liebermannite | KAlSi₃O₈ | Tetragonal | — | 2.46 g/cm³ |
| Lileyite | Ba₂Ti₂Na₂Fe²⁺Mg(Si₂O₇)₂O₂F₂ | Monoclinic | — | — |
| Lingunite | NaAlSi₃O₈ | Tetragonal | — | 2.64 g/cm³ |
| Lintisite | LiNa₃Ti₂(Si₂O₆)₂O₂ * 2H₂O | — | — | — |
| Linzhiite | FeSi₂ | Tetragonal | — | 5.08 g/cm³ |
| Liottite | (Na,K)₁₆Ca₈(Al₆Si₆O₂₄)₃(SO₄)₅Cl₄ | Hexagonal | — | — |
| Lipuite | KNa₈Mn³⁺₅Mg₀.₅[Si₁₂O₃₀(OH)₄](PO₄)O₂(OH)₂·4H₂O | Orthorhombic | — | — |
| Lisetite | CaNa₂Al₄Si₄O₁₆ | — | — | — |
| Lisitsynite | KBSi₂O₆ | Orthorhombic | — | 2.63 g/cm³ |
| Lithiomarsturite | LiCa₂Mn₃Si₅O₁₄(OH) | — | — | — |
| Lithosite | K₃Al₂Si₄O₁₂(OH) | Monoclinic | — | — |
| Litidionite | KNaCuSi₄O₁₀ | Triclinic | — | — |
| Litvinskite | Na₂(☐,Na,Mn)ZrSi₆O₁₂(OH,O)₆ | Monoclinic | — | — |
| Lizardite | Mg₃Si₂O₅(OH)₄ | Monoclinic | 2.5 | 2.49 g/cm³ |
| Lobanovite | K₂Na(Fe²⁺₄Mg₂Na)Ti₂(Si₄O₁₂)₂O₂(OH)₄ | — | — | — |
| Lomonosovite | Na₆Na₂Ti₂Na₂Ti₂(Si₂O₇)₂(PO₄)₂O₄ | Triclinic | — | — |
| Longshoushanite-(Ce) | Ce₄MgAl₂Ti₂(Si₂O₇)₂O₈ | Monoclinic | — | — |
| Lorenzenite | Na₂Ti₂O₃(Si₂O₆) | Orthorhombic | 6.0 | 3.31 g/cm³ |
| Loughlinite | Na₂Mg₃Si₆O₁₆ * 8H₂O | — | — | — |
| Lourenswalsite | (K,Ba)₂(Ti,Mg,Ca,Fe)₄(Si,Al,Fe)₆O₁₄(OH)₁₂ | Hexagonal | — | — |
| Lovdarite | K₂Na₆Be₄Si₁₄O₃₆·9H₂O | Orthorhombic | — | — |
| Lovozerite | Na₃CaZrSi₆O₁₅(OH)₃ | — | — | — |
| Luanshiweiite | KLiAl₁.₅(Si₃.₅Al₀.₅)O₁₀(OH)₂ | Monoclinic | — | — |
| Lucchesiite | CaFe²⁺₃ Al₆(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | 7.0 | — |
| Luinaite-(OH) | (Na,☐)(Fe²⁺,Mg)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄ | Monoclinic | — | — |
| Lunijianlaite | Li₀.₇Al₆.₂(AlSi₇O₂₀)(OH,O)₁₀ | — | — | — |
| Luobusaite | Fe₀.₈₄Si₂ | Orthorhombic | — | — |
| Lévyne-Ca | Ca₃(Si₁₂Al₆)O₃₆·18H₂O | Trigonal | 4.0 | — |
| Lévyne-Na | Na₆(Si₁₂Al₆)O₃₆·18H₂O | Trigonal | — | — |