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Minerals containing silicon
1,605 minerals
Silicon — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Delhuyarite-(Ce) | Ce₄Mg(Fe³⁺₂W)☐(Si₂O₇)₂O₆(OH)₂ | Monoclinic | — | — |
| Delindeite | Ba₂Ti₂(Na₂☐)Ti(Si₂O₇)₂(OH)₂(H₂O)₂O₂ | Monoclinic | — | — |
| Dellaite | Ca₆(Si₂O₇)(SiO₄)(OH)₂ | Triclinic | — | — |
| Demagistrisite | BaCa₂Mn³⁺₄(Si₃O₁₀)(Si₂O₇)(OH)₄·3H₂O | Orthorhombic | — | — |
| Demartinite | K₂SiF₆ | Hexagonal | 3.0 | 2.98 g/cm³ |
| Denisovite | K₁₄+x(Ca,Na,Mn,Fe)₄₈[Si₆₀O₁₆₂]F₁₆(Ox,OH₄-x)*₂H₂O | Monoclinic | — | — |
| Depmeierite | Na₈(Al₆Si₆O₂₄)(PO₄,CO₃)₁-x * 3H₂O (x<₀.₅) | Hexagonal | — | — |
| Devilliersite | Ca₄Ca₂Fe³⁺₁₀O₄[(Fe³⁺₁₀Si₂)O₃₆] | Triclinic | — | — |
| Devitoite | [Ba₆(PO₄)₂(CO₃)][Fe²⁺₇(OH)₄Fe³⁺₂O₂(SiO₃)₈] | Triclinic | — | — |
| Dickite | Al₂Si₂O₅(OH)₄ | Monoclinic | — | — |
| Diegogattaite | Na₂CaCu₂Si₈O₂₀·H₂O | Monoclinic | — | — |
| Dingdaohengite-(Ce) | (Ce,La)₄Fe²⁺(Ti,Fe²⁺,Mg,Fe³⁺)₂Ti₂Si₄O₂₂ | Monoclinic | — | — |
| Diopside | CaMgSi₂O₆ | Monoclinic | — | 3.15 g/cm³ |
| Dioptase | CuSiO₃·H₂O | Trigonal | 5.0 | — |
| Direnzoite | NaK₆MgCa₂(Al₁₃Si₄₇)O₁₂₀·36H₂O | Orthorhombic | — | — |
| Dissakisite-(Ce) | {CaCe}{Al₂Mg}(Si₂O₇)(SiO₄)O(OH) | Monoclinic | — | — |
| Dissakisite-(La) | {CaLa}{Al₂Mg}(Si₂O₇)(SiO₄)O(OH) | Monoclinic | — | — |
| Diversilite-(Ce) | Na₂(Ba,K)₆Fe²⁺Ce₂Ti₃(Si₃O₉)₃(HSiO₄)₃(OH,H₂O)₉ | — | — | — |
| Dixenite | CuMn²⁺₁₄Fe²⁺(SiO₄)₂(As₅+O₄)(As³⁺O₃)₅(OH)₆ | — | — | — |
| Dmisteinbergite | Ca(Al₂Si₂O₈) | Hexagonal | — | — |
| Dollaseite-(Ce) | {CaCe}{MgAlMg}(Si₂O₇)(SiO₄)(OH)F | Monoclinic | — | — |
| Donbassite | Al₄.₃₃(AlSi₃O₁₀)(OH)₈ | — | — | — |
| Donpeacorite | (Mn²⁺,Mg)MgSi₂O₆₂ | Orthorhombic | — | 3.36 g/cm³ |
| Donwilhelmsite | CaAl₄Si₂O₁₁ | Hexagonal | — | — |
| Dorrite | Ca₄(Mg₃Fe³⁺₉)O₄(Si₃Al₈Fe³⁺O₃₆) | — | — | — |
| Dovyrenite | Ca₆Zr(Si₂O₇)₂(OH)₄ | Orthorhombic | — | — |
| Dozyite | Mg₇Al₂(Si₄Al₂)O₁₅(OH)₁₂ | — | 2.5 | 2.66 g/cm³ |
| Dravite | NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃OH | Trigonal | 7.0 | — |
| Dualite | Na₃₀(Ca,Na,Ce,Sr)₁₂(Na,Mn,Fe,Ti)₆Zr₃Ti₃Mn[Si₅₁O₁₄₄](OH,H₂O,Cl)₉ | Hexagonal | 5.0 | — |
| Dubińskaite | Ca₄Sc₂Al₄[Be₂Si₈O₃₀](OH)₂ | Triclinic | — | — |
| Dumortierite | AlAl₆BSi₃O₁₈ | Orthorhombic | — | — |
| Dusmatovite | K(Na,☐)₂(Zn,Li)₃(Mn²⁺,Y,Zr)₂[Si₁₂O₃₀] | — | 4.5 | — |
| Eakerite | Ca₂SnAl₂Si₆O₁₈(OH)₂ * 2H₂O | Monoclinic | — | — |
| Eastonite | KMg₂Al(Al₂Si₂O₁₀)(OH)₂ | — | — | — |
| Eckermannite | NaNa₂(Mg₄Al)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Edenite | NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂ | Monoclinic | 5.5 | — |
| Edgarbaileyite | (Hg-Hg)₃Si₂O₇ | Monoclinic | — | — |
| Edgrewite | Ca₉(SiO₄)₄F₂ | Monoclinic | — | — |
| Edingtonite | Ba(Si₃Al₂)O₁₀·4H₂O | Orthorhombic | — | — |
| Effenbergerite | BaCuSi₄O₁₀ | Tetragonal | — | — |
| Eggletonite | (Na,K,Ca)₂(Mn,Fe)₈(Si,Al)₁₂O₂₉(OH)₇·nH₂O | — | — | — |
| Eifelite | KNa₃Mg₄Si₁₂O₃₀ | — | — | 2.67 g/cm³ |
| Eirikite | KNa₆Be₂(Si₁₅Al₃)O₃₉F₂ | Trigonal | — | — |
| Ekanite | Ca₂ThSi₈O₂₀ | Tetragonal | — | — |
| Ekatite | (Fe³⁺,Fe²⁺,Zn)₁₂(AsO₃)₆(AsO₃,HSiO₄)₂(OH)₆ | Hexagonal | 3.0 | 4.06 g/cm³ |
| Elbaite | Na(Li₁.₅Al₁.₅)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH) | Trigonal | 7.0 | — |
| Eliseevite | Na₁.₅Li{Ti₂O₂[Si₄O₁₀.₅(OH)₁.₅]}·2H₂O | Monoclinic | — | — |
| Ellenbergerite | Mg₆(Mg,Ti,Zr,☐)₂(Al,Mg)₆Si₈O₂₈(OH)₁₀ | — | — | — |
| Ellingsenite | Na₅Ca₆Si₁₈O₃₈(OH)₁₃·6H₂O | Triclinic | — | — |
| Elpidite | Na₂ZrSi₆O₁₅·3H₂O | Orthorhombic | 5.0 | — |
| Eltyubyuite | Ca₁₂Fe³⁺₁₀Si₄O₃₂Cl₆ | Cubic | — | — |
| Emeleusite | Li₂Na₄Fe₂Si₁₂O₃₀ | Orthorhombic | — | — |
| Emmerichite | Ва₂Ti₂Na₃Fe³⁺(Si₂O₇)₂O₂F₂ | Monoclinic | — | — |
| Enricofrancoite | KNaCaSi₄O₁₀ | Triclinic | — | — |
| Enstatite | Mg₂Si₂O₆ | Orthorhombic | 5.5 | 3.20 g/cm³ |
| Ephesite | LiNaAl₂(Al₂Si₂O₁₀)(OH)₂ | — | — | — |
| Epididymite | Na₂Be₂Si₆O₁₅·H₂O | — | — | — |
| Epidote | {Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH) | Monoclinic | — | — |
| Epidote-(Sr) | CaSr(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH) | Monoclinic | — | — |
| Epistilbite | Ca₃[Si₁₈Al₆O₄₈]·16H₂O | Monoclinic | — | — |
| Epistolite | (Na☐)Nb₂Na₃Ti(Si₂O₇)₂O₂(OH)₂(H₂O)₄ | Triclinic | — | — |
| Erikjonssonite | (Pb₃₂O₂₁)[(V,Si,Mo,As)O₄]₄Cl₉ | Monoclinic | — | — |
| Eringaite | Ca₃Sc₂(SiO₄)₃ | Cubic | — | 3.42 g/cm³ |
| Erionite-Ca | Ca₅[Si₂₆Al₁₀O₇₂]·30H₂O | Hexagonal | — | — |
| Erionite-K | K₁₀[Al₂₆Si₁₀O₇₂]·30H₂O | Hexagonal | — | — |
| Erionite-Na | Na₁₀[Al₂₆Si₁₀O₇₂]·30H₂O | Hexagonal | — | — |
| Erlianite | Fe²⁺₄Fe³⁺₂Si₆O₁₅(OH)₈ | Orthorhombic | — | — |
| Ershovite | Na₄K₃(Fe,Mn,Ti)₂Si₈O₂₂(OH)₄·4H₂O | — | — | — |
| Ertixiite | Na₂Si₄O₉ | Cubic | — | — |
| Ertlite | NaAl₃Al₆(Si₄B₂O₁₈)(BO₃)₃(OH)₃O | Trigonal | — | — |
| Escheite | Ca₂NaMnTi₅[Si₁₂O₃₄]O₂(OH)₃·12H₂O | Orthorhombic | — | — |
| Esperite | PbCa₂(ZnSiO₄)₃ | Monoclinic | — | 4.37 g/cm³ |
| Esquireite | BaSi₆O₁₃(H₂O)₇ | Monoclinic | — | — |
| Esseneite | CaFe³⁺AlSiO₆ | Monoclinic | 6.0 | — |
| Euclase | BeAlSiO₄(OH) | Monoclinic | 7.5 | — |
| Eucryptite | LiAlSiO₄ | Trigonal | 6.5 | 2.69 g/cm³ |
| Eudialyte | Na₁₅Ca₆(Fe²⁺,Mn²⁺)₃Zr₃[Si₂₅O₇₃](O,OH,H₂O)₃(OH,Cl)₂ | Trigonal | — | — |
| Eudidymite | Na₂Be₂Si₆O₁₅·H₂O | — | 6.0 | — |
| Eulytine | Bi₄(SiO₄)₃ | Cubic | — | 6.82 g/cm³ |
| Eveslogite | (Na,K,Ca,Sr,Ba)₄₈ [(Ti,Nb,Mn,Fe²⁺)₁₂Si₄₈O₁₄₄(OH)₁₂](F,OH,Cl)₁₄ | — | — | — |