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Minerals containing silicon
1,605 minerals
Silicon — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Hinokageite | MnMg(SiO₄) | Orthorhombic | — | — |
| Hiortdahlite | (Na,Ca)₂Ca₄Zr(Mn,Ti,Fe)(Si₂O₇)₂(F,O)₄ | Triclinic | — | — |
| Hisingerite | Fe₂Si₂O₅(OH)₄·2H₂O | Monoclinic | 3.0 | — |
| Hjalmarite | {Na}{NaMn}{Mg₅}Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Hodgkinsonite | Mn²⁺Zn₂(SiO₄)(OH)₂ | Monoclinic | — | — |
| Hogarthite | (Na,K)₂CaTi₂Si₁₀O₂₆·8H₂O | Monoclinic | — | — |
| Holdenite | (Mn²⁺,Mg)₆Zn₃(AsO₄)₂(SiO₄)(OH)₈ | — | — | — |
| Holmquistite | Li₂(Mg₃Al₂)Si₈O₂₂(OH)₂ | Orthorhombic | — | — |
| Holtite | (Ta₀.₆☐₀.₄)Al₆BSi₃O₁₈ | — | — | — |
| Holtstamite | Ca₃(Al,Mn³⁺)₂(SiO₄)₂(OH)₄ | Tetragonal | 6.0 | — |
| Homilite | Ca₂Fe²⁺B₂Si₂O₁₀ | — | — | — |
| Hongheite | Ca₁₉Fe²⁺Al₄(Fe³⁺,Mg,Al)₈(☐,B)₄BSi₁₈O₆₉(O,OH)₉ | Tetragonal | — | — |
| Horiite | Ba₂Mn₂Mn₄Ti₂(Si₂O₇)₂(PO₄)₂O₂(OH)₂ | Triclinic | — | — |
| Howieite | Na(Fe,Mn)₁₀(Fe,Al)₂Si₁₂O₃₁(OH)₁₃ | — | — | — |
| Howlite | Ca₂B₅SiO₉(OH)₅ | Monoclinic | — | — |
| Hsianghualite | Li₂Ca₃Be₃(SiO₄)₃F₂ | Cubic | 6.5 | 2.87 g/cm³ |
| Hubeite | Ca₂Mn²⁺Fe³⁺[HSi₄O₁₃]·2H₂O | Triclinic | — | — |
| Hugotibergite | Ca₆CaPb₂(Si₃O₉)₂(SO₄)₂(OH)₂(H₂O)₄ | Monoclinic | — | — |
| Humite | Mg₇(SiO₄)₃(F,OH)₂ | Orthorhombic | 6.0 | — |
| Hundholmenite-(Y) | (Y,REE,Ca,Na)₁₅(Al,Fe³⁺)(CaxAs³⁺₁-x)(Si,As₅+)Si₆B₃(O,F)₄₈ | Trigonal | — | — |
| Hutcheonite | Ca₃Ti₂(SiAl₂)O₁₂ | Cubic | — | — |
| Huttonite | ThSiO₄ | Monoclinic | 4.5 | 6.66 g/cm³ |
| Hyalotekite | (Pb,Ba,K)₄(Ca,Y)₂(B,Be)₂(Si,B)₂Si₈O₂₈(F,Cl) | Triclinic | — | — |
| Hydrobiotite | K(Mg,Fe²⁺)₆((Si,Al)₈O₂₀)(OH)₄ * nH₂O | — | — | — |
| Hydrodelhayelite | KCa₂(Si₇Al)O₁₇(OH)₂·6H₂O | — | — | — |
| Hydrohalloysite | Al₂Si₂O₅(OH)₄·2H₂O | — | — | — |
| Hydroterskite | Na₂ZrSi₆O₁₂(OH)₆ | Orthorhombic | — | — |
| Hydroxyapophyllite-(K) | KCa₄(Si₈O₂₀)(OH,F) * 8H₂O | — | — | — |
| Hydroxyapophyllite-(NH₄) | (NH₄)Ca₄(Si₈O₂₀)(OH)(H₂O)₈ | Tetragonal | — | — |
| Hydroxycancrinite | (Na,Ca,K)₈(AlSi)₆O₂₄(OH,CO₃)₂·2H₂O | Hexagonal | — | — |
| Hydroxylchondrodite | Mg₅(SiO₄)₂(OH)₂ | Monoclinic | — | — |
| Hydroxylclinohumite | Mg₉(SiO₄)₄(OH)₂ | — | 6.5 | — |
| Hydroxyledgrewite | Ca₉(SiO₄)₄(OH)₂ | Monoclinic | — | — |
| Hydroxylellestadite | Ca₅(SiO₄)₁.₅(SO₄)₁.₅(OH) | — | — | — |
| Hydroxylgugiaite | (Ca,☐)₂(Si,Be)(Be,Si)₂O₅(OH)₂ | Tetragonal | — | — |
| Hydroxymcglassonite-(K) | KSr₄Si₈O₂₀(OH)(H₂O)₈ | Tetragonal | — | — |
| Iimoriite-(Y) | Y₂[SiO₄][CO₃] | Triclinic | — | — |
| Ikorskyite | KMn³⁺(Si₄O₁₀)·3H₂O | Monoclinic | — | — |
| Ikranite | (Na,H₃O)₁₅(Ca,Mn²⁺)₆Fe³⁺₂Zr₃[(H₀-₃Si₃O₉)₂(Si₉O₂₇)₂SiO]Cl·nH₂O | Trigonal | 5.0 | — |
| Ilmajokite-(Ce) | (Na,Ce,Ba)₂TiSi₃O₅(OH)₁₀·29H₂O | Monoclinic | — | — |
| Ilvaite | CaFe³⁺Fe²⁺₂(Si₂O₇)O(OH) | Orthorhombic | — | — |
| Ilyukhinite | (H₃O,Na)₁₄Ca₆Mn₂Zr₃Si₂₆O₇₂(OH)₂·3H₂O | Trigonal | — | — |
| Imandrite | Na₁₂Ca₃Fe³⁺₂(Si₆O₁₈)₂ | Orthorhombic | — | — |
| Imogolite | Al₂SiO₃(OH)₄ | — | — | — |
| Indialite | Mg₂Al₃(AlSi₅O₁₈) | Hexagonal | — | 2.42 g/cm³ |
| Inesite | Ca₂(Mn,Fe)₇Si₁₀O₂₈(OH)₂·5H₂O | Triclinic | — | — |
| Innelite | Ba₄Ti₂Na(NaCa)Ti(Si₂O₇)₂[(SO₄)(PO₄)]O₂[O(OH)] | Triclinic | — | — |
| Innsbruckite | Mn₃₃(Si₂O₅)₁₄(OH)₃₈ | Monoclinic | — | — |
| Intersilite | Na₆Mn²⁺Ti[Si₁₀O₂₄(OH)](OH)₃·4H₂O | — | — | — |
| Iraqite-(La) | KCa₂(La,Ce,Th)Si₈O₂₀ | Tetragonal | — | — |
| Irinarassite | Ca₃Sn₂(SiAl₂)O₁₂ | Cubic | — | — |
| Itoigawaite | SrAl₂Si₂O₇(OH)₂·H₂O | Orthorhombic | — | — |
| Itsiite | Ba₂Ca(BSi₂O₇)₂ | Tetragonal | — | 3.51 g/cm³ |
| Ivanyukite-Cu | Cu[Ti₄O₂(OH)₂(SiO₄)₃]·7H₂O | Cubic | — | — |
| Ivanyukite-K | K₂[Ti₄O₂(OH)₂(SiO₄)₃]·9H₂O | Cubic | — | — |
| Ivanyukite-Na | Na₂[Ti₄O₂(OH)₂(SiO₄)₃]·6H₂O | Cubic | — | — |
| Jadarite | LiNaB₃SiO₇(OH) | Monoclinic | — | 2.37 g/cm³ |
| Jadeite | NaAlSi₂O₆ | Monoclinic | — | — |
| Jaffeite | Ca₆Si₂O₇(OH)₆ | Trigonal | — | — |
| Jagoite | Pb₁₈Fe³⁺₄[Si₄(Si,Fe³⁺)₆][Pb₄Si₁₆(Si,Fe)₄]O₈₂Cl₆ | Hexagonal | — | — |
| Janhaugite | (Na,Ca)₃(Mn²⁺,Fe²⁺)₃(Ti,Zr,Nb)₂(Si₂O₇)₂O₂(OH,F)₂ | Monoclinic | — | — |
| Jasmundite | Ca₁₁(SiO₄)₄O₂S | Tetragonal | — | — |
| Jeffbenite | Mg₃Al₂Si₃O₁₂ | Tetragonal | — | — |
| Jeffreyite | (Ca,Na)₂(Be,Al)(Si₂O₇,HSi₂O₇) | Orthorhombic | — | — |
| Jennite | Ca₉Si₆O₁₆(OH)₁₀·6H₂O | Triclinic | 3.5 | — |
| Jerrygibbsite | Mn²⁺₉(SiO₄)₄(OH)₂ | Orthorhombic | — | — |
| Jervisite | NaScSi₂O₆ | Monoclinic | 6.0 | 3.09 g/cm³ |
| Jimthompsonite | Mg₅Si₆O₁₆(OH)₂ | Orthorhombic | — | — |
| Jinshajiangite | BaNa(Fe²⁺)₄Ti₂(Si₂O₇)₂O₂(OH)₂F | Monoclinic | — | — |
| Joaquinite-(Ce) | NaBa₂Ce₂FeTi₂[Si₄O₁₂]₂O₂(OH,F)·H₂O | Monoclinic | — | — |
| Joesmithite | PbCa₂(Mg₃Fe³⁺₂)(Be₂Si₆)O₂₂(OH)₂ | Monoclinic | 5.5 | — |
| Johannsenite | CaMn²⁺Si₂O₆ | Monoclinic | 6.0 | — |
| Johninnesite | Na₂Mn²⁺₉Mg₇(OH)₈[AsO₄]₂[Si₆O₁₇]₂ | Triclinic | — | — |
| Johnsenite-(Ce) | Na₁₂Ce₃Ca₆Mn₃Zr₃WSi₂₅O₇₃(CO₃)(OH)₂ | Trigonal | — | — |
| Jonesite | KBa₂Ti₂(Si₅Al)O₁₈·nH₂O | Orthorhombic | — | — |
| Juanite | Ca₁₀Mg₄Al₂Si₁₁O₃₉·4H₂O or near | — | — | — |
| Julgoldite-(Fe2+) | Ca₂Fe²⁺Fe³⁺₂(Si₂O₇)(SiO₄)(OH)₂·H₂O | Monoclinic | — | — |
| Julgoldite-(Mg) | Ca₂MgFe³⁺₂(Si₂O₇)(SiO₄)(OH)₂·H₂O | Monoclinic | — | — |
| Junitoite | CaZn₂Si₂O₇·H₂O | Orthorhombic | 4.5 | — |
| Jusite | Na₂Ca₁₅Al₄Si₁₆O₅₄·17H₂O | — | — | — |