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Minerals containing silicon
1,605 minerals
Silicon — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Potassic-fluoro-richterite | K(NaCa)Mg₅Si₈O₂₂F₂ | Monoclinic | — | — |
| Potassic-jeanlouisite | K(NaCa)(Mg₄Ti)Si₈O₂₂O₂ | Monoclinic | — | — |
| Potassic-magnesio-arfvedsonite | [K][Na₂][Mg₄Fe³⁺]Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-magnesio-fluoro-arfvedsonite | KNa₂(Mg₄Fe³⁺)Si₈O₂₂F₂ | Monoclinic | 6.0 | — |
| Potassic-magnesio-hastingsite | KCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-mangani-leakeite | KNa₂(Mg₂Mn³⁺₂Li)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-pargasite | KCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-richterite | {K}{CaNa}{Mg₅}Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-sadanagaite | KCa₂(Mg₃Al₂)(Si₅Al₃)O₂₂(OH)₂ | Monoclinic | 6.0 | — |
| Potassiccarpholite | (K,☐)(Li,Mn²⁺)₂Al₄(Si₂O₆)₂(OH,F)₈ | — | — | — |
| Potassicmendeleevite-(Ce) | Cs₆K₆(REE₂₂Ca₆)(Si₇₀O₁₇₅)(OH,F)₂₀(H₂O)₁₅ | — | — | — |
| Poudretteite | KNa₂B₃Si₁₂O₃₀ | Hexagonal | 5.0 | — |
| Povondraite | NaFe³⁺₃(Mg₂Fe³⁺₄)(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | 7.0 | — |
| Preiswerkite | NaMg₂Al(Al₂Si₂O₁₀)(OH)₂ | — | — | — |
| Prismatine | (☐,Fe,Mg)(Mg,Al,Fe)₅Al₄Si₂(Si,Al)₂(B,Si,Al)(O,OH,F)₂₂ | Orthorhombic | — | — |
| Proshchenkoite-(Y) | Ca(Y,REE,Ca,Na,Mn)₁₅Fe²⁺(P,Si)Si₆B₃O₃₄F₁₄ | Trigonal | 5.0 | — |
| Proto-anthophyllite | ☐Mg₂Mg₅Si₈O₂₂(OH)₂ | Orthorhombic | — | — |
| Proto-ferro-anthophyllite | ☐Fe²⁺Fe²⁺₅Si₈O₂₂(OH)₂ | Orthorhombic | — | — |
| Proto-ferro-suenoite | ☐Mn₂²⁺Fe₅²⁺Si₈O₂₂(OH)₂ | Orthorhombic | 5.5 | — |
| Protoenstatite | Mg₂Si₂O₆ | Orthorhombic | — | — |
| Proxicosahedrite | Al₅₂Cu₃₀Fe₁₁Si₇ | Cubic | — | — |
| Pseudowollastonite | CaSiO₃ | Monoclinic | — | 2.90 g/cm³ |
| Pumpellyite-(Al) | Ca₂Al₃(Si₂O₇)(SiO₄)(OH,O)₂·H₂O | Monoclinic | — | — |
| Pumpellyite-(Fe³⁺) | Ca₂Fe³⁺Al₂(Si₂O₇)(SiO₄)(OH,O)₂·H₂O | Monoclinic | — | — |
| Pumpellyite-(Mg) | Ca₂MgAl₂(Si₂O₇)(SiO₄)(OH)₂ * H₂O | Monoclinic | — | — |
| Punkaruaivite | Li{Ti₂(OH)₂[Si₄O₁₁(OH)]}·H₂O | Monoclinic | — | — |
| Pyatenkoite-(Y) | Na₅YTi[SiO₃]₆ * 6H₂O | — | — | — |
| Pyrope | Mg₃Al₂(SiO₄)₃ | Cubic | 7.5 | 3.75 g/cm³ |
| Pyrophyllite | Al₂Si₄O₁₀(OH)₂ | Triclinic | — | — |
| Pyrosmalite-(Fe) | Fe²⁺₈Si₆O₁₅(OH,Cl)₁₀ | — | — | — |
| Pyrosmalite-(Mn) | Mn²⁺₈Si₆O₁₅(OH,Cl)₁₀ | — | — | — |
| Pyroxferroite | (Fe,Mn,Ca)SiO₃ | Triclinic | — | — |
| Pyroxmangite | MnSiO₃ | Triclinic | — | — |
| Qeltite | Ca₃TiSi₂(Fe³⁺₂Si)O₁₄ | Trigonal | — | — |
| Quadridavyne | [(Na,K)₆Cl₂][Ca₂Cl₂][(Si₆Al₆O₂₄)] | Hexagonal | — | — |
| Quadruphite | Na₆Na₂(CaNa)₂Na₂Ti₂Na₂Ti₂(Si₂O₇)₂(PO₄)₄O₄F₂ | Triclinic | — | — |
| Quartz | SiO₂ | Trigonal | 7.0 | 2.65 g/cm³ |
| Queitite | Zn₂Pb₄(Si₂O₇)(SiO₄)(SO₄) | Monoclinic | 4.0 | 5.85 g/cm³ |
| Rankinite | Ca₃Si₂O₇ | Monoclinic | — | — |
| Raslakite | Na₁₅Ca₃Fe²⁺₃(Na,Zr)₃Zr₃(Si,Nb)[(Si₃O₉)₂(Si₉O₂₇)₂SiO](OH,H₂O)₃(Cl,OH) | Trigonal | — | — |
| Rastsvetaevite | Na₂₇K₈Ca₁₂Fe₃Zr₆Si₅₂O₁₄₄(O,OH,H₂O)₆Cl₂ | Trigonal | — | — |
| Raudseppite | Ba₂Ca₇(Si₃O₉)₂(CO₃)₂Cl₂ | Triclinic | — | — |
| Raygrantite | Pb₁₀Zn(SO₄)₆(SiO₄)₂(OH)₂ | Triclinic | — | — |
| Rectorite | (Na,Ca)Al₄((Si,Al)₈O₂₀)(OH)₄ * 2H₂O | — | — | — |
| Reedmergnerite | NaBSi₃O₈ | Triclinic | 6.3 | 2.78 g/cm³ |
| Reidite | ZrSiO₄ | Tetragonal | — | 4.63 g/cm³ |
| Reinhardbraunsite | Ca₅(SiO₄)₂(OH,F)₂ | Monoclinic | — | — |
| Rengeite | Sr₄Ti₄ZrO₈(Si₂O₇)₂ | Monoclinic | — | — |
| Revdite | Na₁₆Si₁₆O₂₇(OH)₂₆ * 2₈H₂O | — | — | — |
| Reyerite | Na₂Ca₁₄Al₂Si₂₂O₅₈(OH)₈·6H₂O | — | — | — |
| Rhodesite | KHCa₂Si₈O₁₉·5H₂O | — | — | — |
| Rhodonite | CaMn₃Mn(Si₅O₁₅) | Triclinic | — | — |
| Ribbeite | Mn²⁺₅(SiO₄)₂(OH)₂ | — | — | — |
| Richterite | Na(NaCa)Mg₅Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Riebeckite | ☐Na₂(Fe²⁺₃Fe³⁺₂)Si₂O₂₂(OH)₂ | Monoclinic | 6.0 | — |
| Rilandite | Cr₆SiO₁₁·5H₂O (?) | — | — | — |
| Ringwoodite | SiMg₂O₄ | Cubic | — | 3.24 g/cm³ |
| Rinkite-(Ce) | (Ca₃REE)Na(NaCa)Ti(Si₂O₇)₂(OF)F₂ | Monoclinic | — | — |
| Rinkite-(Y) | Na₂Ca₄YTi(Si₂O₇)₂OF₃ | Monoclinic | — | — |
| Rippite | K₂(Nb,Ti)₂(Si₄O₁₂)O(O,F) | Tetragonal | — | — |
| Riversideite | Ca₅Si₆O₁₆(OH)₂·2H₂O | — | — | — |
| Roeblingite | Ca₆Mn²⁺Pb₂(Si₃O₉)₂(SO₄)₂(OH)₂·4H₂O | Monoclinic | — | — |
| Roedderite | KNaMg₂(Mg₃Si₁₂)O₃₀ | Hexagonal | 6.5 | — |
| Rogermitchellite | Na₆Sr₁₂Ba₂Zr₁₃Si₃₉B₄O₁₂₃(OH)₆·20H₂O | Hexagonal | — | — |
| Roggianite | Ca₂Be(OH)₂Al₂Si₄O₁₃ * 2.₅H₂O | Tetragonal | — | — |
| Rondorfite | Ca₈Mg(SiO₄)₄Cl₂ | Cubic | — | — |
| Rongibbsite | Pb₂(Si₄Al)O₁₁(OH) | Monoclinic | — | — |
| Roscoelite | K(V³⁺,Al)₂(AlSi₃O₁₀)(OH)₂ | Monoclinic | 2.5 | — |
| Rosenbuschite | Ca₆Zr₂Na₆ZrTi(Si₂O₇)₄(OF)₂F₄ | Triclinic | — | — |
| Rosenhahnite | HCa₃[Si₃O₉(OH)] | Triclinic | — | — |
| Rossmanite | ☐(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH) | Trigonal | 7.0 | — |
| Rotherkopfite | KNa₂Fe²⁺(Fe²⁺)₂(Ti₁.₅Fe²⁺₀.₅)[Si₄O₁₂]₂ | Monoclinic | — | — |
| Roumaite | (Nb,Ti)(Ca,Na,☐)₃(Ca,REE)₄(Si₂O₇)₂(OH)F₃ | Monoclinic | — | — |
| Rowlandite-(Y) | (Y,Ce)₄Fe²⁺(Si₂O₇)₂F₂ (?) | Triclinic | — | — |
| Roymillerite | Pb₂₄Mg₉(Si₁₀O₂₈)(CO₃)₁₀(BO₃)(SiO₄)(OH)₁₃O₅ | Triclinic | — | 5.97 g/cm³ |
| Rubicline | Rb(AlSi₃O₈) | Triclinic | 6.0 | — |
| Rubinite | Ca₃Ti³⁺₂Si₃O₁₂ | Cubic | — | — |
| Rudenkoite | Sr₃(Al₃.₅Si₃.₅)O₁₀(OH,O)₈Cl₂ * H₂O | Monoclinic | — | — |
| Ruizite | Ca₂Mn³⁺₂[Si₄O₁₁(OH)₂](OH)₂*₂H₂O | Monoclinic | — | — |
| Rundqvistite-(Ce) | Na₃(Sr₃Ce)[Zn₂Si₈O₂₄] | Monoclinic | — | — |