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Minerals containing silicon
1,605 minerals
Silicon — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Gjerdingenite-Ca | K₂Ca(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | Monoclinic | — | — |
| Gjerdingenite-Fe | K₂Fe(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | — | — | — |
| Gjerdingenite-Mn | K₂Mn(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | — | — | — |
| Gjerdingenite-Na | K₂Na(Nb,Ti)₄(Si₄O₁₂)₂(OH,O)₄·5H₂O | Monoclinic | — | — |
| Glagolevite | Na(Mg,Al)₆(AlSi₃O₁₀)(OH,O)₈ | — | — | — |
| Glaucochroite | CaMn²⁺(SiO₄) | Orthorhombic | 6.0 | — |
| Glaucophane | ☐Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂ | Monoclinic | 6.0 | — |
| Gmelinite-Ca | Ca₂(Si₈Al₄)O₂₄·11H₂O | Hexagonal | — | — |
| Gmelinite-K | K₄(Si₈Al₄)O₂₄·11H₂O | Hexagonal | — | — |
| Gmelinite-Na | Na₄(Si₈Al₄)O₂₄·11H₂O | Hexagonal | — | — |
| Gobbinsite | Na₅(Si₁₁Al₅)O₃₂·11H₂O | Orthorhombic | — | — |
| Goldmanite | Ca₃V³⁺₂(SiO₄)₃ | Cubic | — | — |
| Golyshevite | Na₁₀Ca₉Zr₃Fe₂SiNb(Si₃O₉)₂(Si₉O₂₇)₂(OH)₃(CO₃)·H₂O | Trigonal | — | — |
| Gonnardite | (Na,Ca)₂(Si,Al)₅O₁₀·3H₂O | Tetragonal | 5.0 | — |
| Gonyerite | (Mn²⁺,Mg)₅Fe³⁺(Fe³⁺Si₃O₁₀)(OH)₈ | — | — | — |
| Goosecreekite | Ca(Si₆Al₂)O₁₆·5H₂O | Monoclinic | — | — |
| Gorbunovite | CsLi₂(Ti,Fe)Si₄O₁₀(F,OH,O)₂ | Monoclinic | — | — |
| Gottardiite | Na₃Mg₃Ca₅Al₁₉Si₁₁₇O₂₇₂·93H₂O | Orthorhombic | — | — |
| Grandidierite | (Mg,Fe²⁺)(Al,Fe³⁺)₃(SiO₄)(BO₃)O₂ | Orthorhombic | — | — |
| Greenalite | (Fe²⁺,Fe³⁺)₂-₃Si₂O₅(OH)₄ | Monoclinic | — | — |
| Greenwoodite | Ba₂₋ₓ(V³⁺OH)ₓV³⁺₉(Fe³⁺,Fe²⁺)₂Si₂O₂₂ | Trigonal | — | — |
| Grenmarite | Na₂Zr₂Na₂MnZr(Si₂O₇)₂O₂F₂ | Monoclinic | — | — |
| Grossmanite | Ca(Ti³⁺,Mg,Ti⁴⁺)AlSiO₆ | Monoclinic | — | — |
| Grossular | Ca₃Al₂(SiO₄)₃ | Cubic | — | — |
| Grumantite | NaSi₂O₄(OH)·H₂O | Orthorhombic | — | — |
| Grunerite | ☐Fe²⁺₂Fe²⁺₅Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Guastoniite-(Y) | Pb₄(YCa)(Si₈B₄O₂₈)F | Triclinic | — | — |
| Gugiaite | Ca₂Be(Si₂O₇) | Tetragonal | — | — |
| Guidottiite | MnFe³⁺₂(SiFe³⁺)O₅(OH)₄ | Hexagonal | — | — |
| Gupeiite | Fe₃Si | Cubic | — | — |
| Gutkovaite-Mn | CaK₂Mn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·5H₂O | — | — | — |
| Gyrolite | NaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O | — | — | — |
| Götzenite | Ca₄NaCa₂Ti(Si₂O₇)₂(OF)F₂ | Triclinic | — | — |
| Günterblassite | (K,Ca,Ba,Na,☐)₃Fe[(Si,Al)₁₃O₂₅(OH,O)₄]·7H₂O | Orthorhombic | 4.0 | — |
| Hafnon | HfSiO₄ | Tetragonal | 7.5 | 7.02 g/cm³ |
| Haineaultite | (Na,Ca)₅Ca(Ti,Nb)₅(Si₆O₁₇)₂(OH,F)₈ * 5H₂O | — | — | — |
| Hainite-(Y) | (Ca₃Y)Na(NaCa)Ti(Si₂O₇)₂(OF)F₂ | Triclinic | — | — |
| Haiweeite | Ca(UO₂)₂Si₅O₁₂(OH)₂·3H₂O | Monoclinic | 3.5 | — |
| Halloysite | Al₂Si₂O₅(OH)₄ | Monoclinic | — | — |
| Hancockite | CaPb(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH) | Monoclinic | — | — |
| Hanjiangite | Ba₂Ca(V³⁺Al)(AlSi₃O₁₀)(OH)₂F(CO₃)₂ | Monoclinic | — | — |
| Hapkeite | Fe₂Si | Cubic | — | 6.83 g/cm³ |
| Haradaite | SrVSi₂O₇ | Orthorhombic | — | — |
| Hardystonite | Ca₂ZnSi₂O₇ | Tetragonal | — | — |
| Harkerite | Ca₄₈Mg₁₆[AlSi₄O₁₅(OH)]₄(BO₃)₁₆(CO₃)₁₆·2(H₂O,HCl) | Trigonal | — | — |
| Harmotome | Ba₂(Si₁₂Al₄)O₃₂·12H₂O | Monoclinic | — | — |
| Harstigite | Ca₆(Mn,Mg)Be₄Si₆(O,OH)₂₄ | Orthorhombic | — | — |
| Hastingsite | NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Hatrurite | Ca₃SiO₅ | — | 6.0 | — |
| Haüyne | Na₃Ca(Si₃Al₃)O₁₂(SO₄) | Cubic | — | — |
| Hectorite | H₂LiMgNaO₁₂Si₄²⁻ | Monoclinic | — | — |
| Heflikite | (CaCa)(AlAlSc)O[Si₂O₇][SiO₄](OH) | Monoclinic | — | — |
| Hejtmanite | Ba₂(Mn²⁺)₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂ | Monoclinic | — | — |
| Heklaite | KNaSiF₆ | Orthorhombic | — | — |
| Hellandite-(Ce) | (Ca,REE)₄Ce₂Al☐₂(B₄Si₄O₂₂) (OH)₂ | — | — | — |
| Hellandite-(Y) | (Ca,REE)₄Y₂Al☐₂(B₄Si₄O₂₂) (OH)₂ | — | — | — |
| Helvine | Mn²⁺₄Be₃(SiO₄)₃S | Cubic | — | — |
| Hemihedrite | ZnPb₁₀(CrO₄)₆(SiO₄)₂(OH)₂ | Triclinic | — | — |
| Hemimorphite | Zn₄Si₂O₇(OH)₂·H₂O | Orthorhombic | — | — |
| 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 | — | — | — |
| Hennomartinite | SrMn³⁺₂(Si₂O₇)(OH)₂ * H₂O | Orthorhombic | — | — |
| Henritermierite | Ca₃Mn³⁺₂(SiO₄)₂(OH)₄ | Tetragonal | — | — |
| Hereroite | [Pb₃₂(O,☐)₂₁](AsO₄)₂[(Si,As,V,Mo]O₄)₂Cl₁₀ | Monoclinic | — | — |
| Heulandite-Ba | (Ba,Ca,K)₅(Si₂₇Al₉)O₇₂ * 2₂H₂O | Monoclinic | — | — |
| Heulandite-Ca | (Ca,Na)₅(Si₂₇Al₉)O₇₂ * 2₆H₂O | Monoclinic | — | — |
| Heulandite-K | (K,Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O | Monoclinic | — | — |
| Heulandite-Na | (Na,Ca,K)₆(Si,Al)₃₆O₇₂ · 22H₂O | Monoclinic | — | — |
| Heulandite-Sr | (Sr,Na,Ca)₅(Si₂₇Al₉)O₇₂ · 24H₂O | Monoclinic | — | — |
| Hexacelsian | BaAl₂Si₂O₈ | Hexagonal | — | 3.34 g/cm³ |
| Heyerdahlite | Na₃Mn₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F(H₂O)₂ | Triclinic | — | — |
| Hezuolinite | (Sr,REE)₄Zr(Ti,Fe³⁺,Fe²⁺)₂Ti₂O₈(Si₂O₇)₂ | Monoclinic | — | — |
| Hielscherite | Ca₆Si₂[(SO₄)₂(SO₃)₂(OH)₁₂]·22H₂O | Hexagonal | — | — |
| Hieratite | K₂SiF₆ | Cubic | — | 2.98 g/cm³ |
| Hilairite | Na₂Zr[SiO₃]₃ * 3H₂O | — | — | — |
| Hillebrandite | Ca₂(SiO₃)(OH)₂ | Orthorhombic | — | — |
| Hillesheimite | (K,Ca,Ba,☐)₂(Mg,Fe,Ca,☐)₂[(Si,Al)₁₃O₂₃(OH)₆](OH)·8H₂O | Orthorhombic | — | — |
| Hingganite-(Ce) | BeCe(SiO₄)(OH) | Monoclinic | — | — |
| Hingganite-(Y) | BeYSiO₄(OH) | — | — | — |
| Hingganite-(Yb) | BeYbSiO₄(OH) | Monoclinic | — | — |