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Minerals containing silicon
1,605 minerals
Silicon — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Rusinovite | Ca₁₀(Si₂O₇)₃Cl₂ | Orthorhombic | — | — |
| Rustumite | Ca₁₀(Si₂O₇)₂(SiO₄)(OH)₂Cl₂ | Monoclinic | — | — |
| Saamite | Ba☐TiNbNa₃Ti(Si₂O₇)₂O₂(OH)₂(H₂O)₂ | Triclinic | 3.0 | — |
| Sachanbińskiite | NaMn₄(Al₅Be)(AlSi₅O₁₈)₂·2H₂O | Orthorhombic | — | — |
| Sacrofanite | (Na₆₁K₁₉Ca₃₂)(Si₈₄Al₈₄O₃₃₆)(SO₄)₂₆Cl₂F₆*₂H₂O | Hexagonal | — | — |
| Sadanagaite | {Na}{Ca₂}{Mg₃Al₂}(Si₅Al₃O₂₂)(OH)₂ | Monoclinic | — | — |
| Saliotite | (Li,Na)Al₃(Si₃Al)O₁₀(OH)₅ | — | — | — |
| Samfowlerite | Ca₂₈Mn₆Zn₄(Be,Zn)₄Be₁₂[(OH)₃|(SiO₄)₃|(Si₂O₇)₂]₄ | Monoclinic | — | — |
| Sanbornite | BaSi₂O₅ | Orthorhombic | — | 3.73 g/cm³ |
| Saneroite | NaMn²⁺₅[Si₅O₁₄(OH)](VO₃)(OH) | — | — | — |
| Sanidine | KAlSi₃O₈ | Monoclinic | 6.0 | 2.46 g/cm³ |
| Santaclaraite | CaMn₄[Si₅O₁₄OH](OH) * H₂O | — | — | — |
| Saponite | Ca₀.₂₅(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ * nH₂O | Monoclinic | — | — |
| Sapozhnikovite | Na₈(Al₆Si₆O₂₄)(HS)₂ | Cubic | — | — |
| Sapphirine | Mg₄(Mg₃Al₉)O₄[Si₃Al₉O₃₆] | Monoclinic | 7.5 | — |
| Sarcolite | Na₄Ca₁₂Al₈Si₁₂O₄₆(SiO₄,PO₄)(OH,H₂O)₄(CO₃,Cl) | Tetragonal | — | — |
| Saryarkite-(Y) | Ca(Y,Th)Al₅(SiO₄)₂(PO₄)₂(OH)₇·6H₂O | — | — | 3.07 g/cm³ |
| Sauconite | Na₀.₃Zn₃((Si,Al)₄O₁₀)(OH)₂ * 4H₂O | Monoclinic | — | — |
| Sazhinite-(Ce) | Na₂CeSi₆O₁₄*₆H₂O | — | — | — |
| Sazhinite-(La) | Na₃LaSi₆O₁₅·2H₂O | Orthorhombic | — | — |
| Sazykinaite-(Y) | Na₅YZr[SiO₃]₆ * 6H₂O | — | — | — |
| Scandio-fluoro-eckermannite | NaNa₂(Mg₄Sc)(Si₈O₂₂)F₂ | Monoclinic | — | — |
| Scandiobabingtonite | Ca₂(Fe²⁺,Mn)ScSi₅O₁₄(OH) | — | — | — |
| Scawtite | Ca₇(Si₃O₉)₂CO₃ * 2H₂O | Monoclinic | — | — |
| Schallerite | Mn²⁺₁₆As₃Si₁₂O₃₆(OH)₁₇ | — | — | — |
| Scheuchzerite | NaMn²⁺₉Si₉V⁵⁺O₂₈(OH)₄ | Triclinic | — | — |
| Schizolite | NaCaMnSi₃O₈(OH) | Triclinic | — | — |
| Schlüterite-(Y) | (Y,REE)₂AlSi₂O₇(OH)₂F | Monoclinic | — | — |
| Schorl | Na(Fe²⁺₃)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH) | Trigonal | 7.0 | — |
| Schüllerite | Ba₂Ti₂Na₂Mg₂(Si₂O₇)₂O₂F₂ | Triclinic | — | — |
| Scolecite | Ca(Si₃Al₂)O₁₀·3H₂O | Monoclinic | — | — |
| Scottyite | BaCu₂Si₂O₇ | Orthorhombic | — | — |
| Searlesite | NaBSi₂O₅(OH)₂ | Monoclinic | — | — |
| Seidite-(Ce) | Na₄(Ce,Sr)₂[TiSi₈O₁₈(OH)₂](O,OH,F)₄ * 5H₂O | — | — | — |
| Seidozerite | Na₂Zr₂Na₂MnTi(Si₂O₇)₂O₂F₂ | Monoclinic | — | — |
| Sekaninaite | (Fe,Mg)₂Al₃(AlSi₅O₁₈) | Orthorhombic | — | — |
| Selivanovaite | (Na,Ca)₃(Ti,Fe)₅[Si₄O₁₈(OH)₃]*₇H₂O | Triclinic | — | — |
| Semenovite-(Ce) | Na₈Ca₂FeBe₆Ce₂Si₁₄O₄₀(OH)₄F₄ | — | — | — |
| Senkevichite | CsKNaCa₂Ti[O|Si₇O₁₈(OH)] | — | — | — |
| Sepiolite | Mg₄Si₆O₁₅(OH)₂·6H₂O | Orthorhombic | 2.2 | — |
| Serandite | NaMn²⁺₂Si₃O₈(OH) | Triclinic | — | — |
| Serendibite | Ca₄[Mg₆Al₆]O₄[Si₆B₃Al₃O₃₆] | Triclinic | — | — |
| Shafranovskite | Na₃K₂(Mn,Fe,Na)₄[Si₉(O,OH)₂₇](OH)₂·nH₂O | — | — | — |
| Shcherbakovite | (K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂ | — | — | — |
| Shibkovite | K(☐,K,Na)₂Zn₃Ca₂[Si₁₂O₃₀] | — | — | — |
| Shijiangshanite | Pb₃CaAl(Si₅O₁₄)(OH)₃(H₂O)₃ | Trigonal | — | — |
| Shinichengite | Ca₅[BSi₂O₇(OH)₂]₂·6H₂O | Triclinic | — | — |
| Shirokshinite | KNaMg₂(Si₄O₁₀)F₂ | Monoclinic | — | 2.79 g/cm³ |
| Shkatulkalite | Na₁₀MnTi₃Nb₃(Si₂O₇)₆(OH)₂F·12H₂O | Monoclinic | — | — |
| Shlykovite | KCa[Si₄O₉(OH)]·3H₂O | Monoclinic | — | — |
| Shojiite | Na(NaMg)Mg₅Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Shuiskite-(Mg) | Ca₂MgCr₂(Si₂O₇)(SiO₄)(OH)₂ * 2H₂O | Monoclinic | — | — |
| Silesiaite | Ca₂Fe³⁺Sn(Si₂O₇)(Si₂O₆OH) | Triclinic | — | — |
| Silicocarnotite | Ca₅[(PO₄)(SiO₄)](PO₄) | Orthorhombic | — | — |
| Silinaite | NaLiSi₂O₅ * 2H₂O | — | — | — |
| Sillimanite | Al₂OSiO₄ | Orthorhombic | 7.0 | 3.68 g/cm³ |
| Silvialite | Ca₄Al₆Si₆O₂₄(SO₄) | — | — | — |
| Sinoite | Si₂N₂O | Orthorhombic | — | — |
| Sitinakite | KNa₂Ti₄(SiO₄)₂O₅(OH)·4H₂O | — | — | — |
| Siudaite | Na₈(Mn²⁺₂Na)Ca₆(Fe³⁺Mn²⁺)₃Zr₃NbSi₂₄(Si,☐,Ti)O₇₄(OH)₂Cl·5H₂O | — | — | — |
| Sklodowskite | Mg(UO₂)₂(SiO₃OH)₂·6H₂O | Monoclinic | — | — |
| Skogbyite | Zr(Mg₂Mn³⁺₄)SiO₁₂ | Tetragonal | — | — |
| Slawsonite | Sr(Al₂Si₂O₈) | Monoclinic | — | — |
| Sobolevite | Na₆(Na₂Ca)(NaCaMn)Na₂Ti₂Na₂(TiMn)(Si₂O₇)₂ (PO₄)₄O₂(OF)F₂ | Monoclinic | — | — |
| Sodalite | Na₄Si₃Al₃O₁₂Cl | Cubic | 6.0 | — |
| Soddyite | (UO₂)₂SiO₄·2H₂O | Orthorhombic | 3.5 | — |
| Sogdianite | KZr₂(Li₃Si₁₂)O₃₀ | Hexagonal | 7.0 | 2.65 g/cm³ |
| Sokolovaite | CsLi₂Al(Si₄O₁₀)F₂ | — | — | — |
| Sombrereteite | NaCa₃(Al₇Si₉)O₃₂ | Monoclinic | — | — |
| Sonolite | Mn²⁺₉(SiO₄)₄(OH)₂ | Monoclinic | — | — |
| Spadaite | MgSiO₂(OH)₂·H₂O (?) | — | — | — |
| Spessartine | Mn²⁺₃Al₂(SiO₄)₃ | Cubic | — | 4.19 g/cm³ |
| Sphaerobertrandite | Be₃(SiO₄)(OH)₂ | Monoclinic | — | — |
| Spodumene | LiAlSi₂O₆ | Monoclinic | — | — |
| Spurrite | Ca₅(SiO₄)₂(CO₃) | Monoclinic | 5.0 | — |
| Staurolite | Fe²⁺₂Al₉Si₄O₂₃(OH) | Monoclinic | — | — |
| Stavelotite-(La) | La₃Mn²⁺₃Cu²⁺(Mn³⁺,Fe³⁺,Mn⁴⁺)₂₆(Si₂O₇)₆O₃₀ | Trigonal | — | — |
| Steacyite | K₀.₃(Na,Ca)₂ThSi₈O₂₀ | Tetragonal | — | — |
| Steedeite | NaMn₂[Si₃BO₉](OH)₂ | Triclinic | — | — |
| Steenstrupine-(Ce) | Na₁₄Ce₆Mn²⁺₂Fe³⁺₂Zr(PO₄)₇Si₁₂O₃₆(OH)₂·3H₂O | Trigonal | — | — |