Silicon (Si) Minerals sorted by Descending Weight Percent
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% Si | Mineral Name | Chemical Formula | MW |
22.75 % Si | Petedunnite | Ca(Zn,Mn++,Fe++,Mg)Si2O6 | 246.86 |
22.74 % Si | Faujasite-Mg ! | (Mg,Na2,Ca)3.5[Al7Si17O48]·32(H2O) | 2,099.99 |
22.72 % Si | Johannsenite # | CaMnSi2O6 | 247.18 |
22.72 % Si | Rosenhahnite | Ca3Si3O8[(OH)2-4x,(CO3)x] | 370.80 |
22.67 % Si | Natronambulite | (Na,Li)Mn++4[Si5O14(OH)] | 619.35 |
22.65 % Si | Eudialyte # | Na4(Ca,Ce)2(Fe++,Mn,Y)ZrSi8O22(OH,Cl)2 (?) | 992.15 |
22.64 % Si | Clinoferrosilite # | (Fe++,Mg)2Si2O6 | 248.09 |
22.64 % Si | Hedenbergite # | CaFe++Si2O6 | 248.09 |
22.63 % Si | Potassicarfvedsonite ! | KNa2Fe++4Fe+++Si8O22(OH)2 | 962.95 |
22.63 % Si | Faujasite-Na # | (Na2,Ca,Mg)3.5[Al7Si17O48]·32(H2O) | 2,109.65 |
22.62 % Si | Zakharovite | Na4Mn++5Si10O24(OH)6·6(H2O) | 1,241.63 |
22.59 % Si | Carbokentbrooksite ! | (Na,[ ])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O | 3,121.55 |
22.51 % Si | Permanganogrunerite ! | [ ]Mn4(Fe++)3(Si8O22)(OH)2 | 997.98 |
22.51 % Si | Stilpnomelane # | K(Fe++,Mg,Fe+++)8(Si,Al)12(O,OH)27·n(H2O) | 1,247.57 |
22.47 % Si | Phillipsite-Na # | (Na,K,Ca)1-2(Si,Al)8O16·6(H2O) | 649.86 |
22.47 % Si | Manganogrunerite | [ ]Mn2Fe++5Si8O22(OH) | 999.80 |
22.47 % Si | Bytownite * | (Ca,Na)(Si,Al)4O8 | 275.01 |
22.44 % Si | Oneillite ! | Na15Ca3Mn3Fe++3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 | 3,128.56 |
22.44 % Si | Faujasite-Ca ! | (Ca,Na2,Mg)3.5[Al7Si17O48]·32(H2O) | 2,127.59 |
22.44 % Si | Falcondoite | (Ni,Mg)4Si6O15(OH)2·6(H2O) | 750.99 |
22.44 % Si | Clinotobermorite | Ca5Si6(O,OH)18·5(H2O) | 751.00 |
22.43 % Si | Grunerite # | [ ]Fe++7Si8O22(OH)2 | 1,001.61 |
22.43 % Si | Ferro-anthophyllite # | [ ]Fe++7Si8O22(OH)2 | 1,001.61 |
22.42 % Si | Scapolite * | (Na,Ca)4[(Al,Si)12O24]Cl | 877.08 |
22.41 % Si | Yofortierite | (Mn,Mg)5Si8O20(OH)2·8-9(H2O) | 1,002.61 |
22.37 % Si | Loudounite | NaCa5Zr4Si16O40(OH)11·8(H2O) | 2,008.82 |
22.35 % Si | Ferritschermakite | Ca2(Fe++,Mg)3Al2(Si7Al)O22(OH)2 | 879.70 |
22.31 % Si | Malinkoite ! | NaBSiO4 | 125.88 |
22.31 % Si | Alflarsenite | NaCa2Be3Si4O13(OH)·2H2O | 503.55 |
22.29 % Si | Orlymanite | Ca4Mn++3Si8O20(OH)6·2(H2O) | 1,007.87 |
22.29 % Si | Eucryptite # | LiAlSiO4 | 126.01 |
22.28 % Si | Lunijianlaite | LiAl6(Si7Al)O20(OH)10 | 882.47 |
22.27 % Si | Wonesite | (Na,K).5(Mg,Fe,Al)3(Si,Al)4O10(OH,F)2 | 403.47 |
22.27 % Si | Perlialite | K8Tl4Al12Si24O72·20(H2O) | 3,027.26 |
22.26 % Si | Chabazite-K ! | (K2,Ca,Na2,Mg)[Al2Si4O12]·6(H2O) | 504.66 |
22.24 % Si | Zussmanite | K(Fe++,Mg,Mn)13[AlSi17O42](OH)14 | 2,147.17 |
22.23 % Si | Gmelinite-Ca ! | (Ca,Na2)Al2Si4O12·6(H2O) | 2,083.67 |
22.21 % Si | Sekaninaite | (Fe++,Mg)2Al4Si5O18 | 632.27 |
22.21 % Si | Voloshinite | Rb(LiAl1.5[ ]0.5)(Al0.5Si3.5)O10F2 | 442.66 |
22.19 % Si | Karpinskite # | (Mg,Ni)2Si2O5(OH)2 (?) | 253.18 |
22.18 % Si | Phillipsite-Ca ! | (Ca,K,Na)1-2(Si,Al)8O16·6(H2O) | 658.41 |
22.16 % Si | Natrolite # | Na2[Al2Si3O10]·2(H2O) | 380.22 |
22.16 % Si | Tetranatrolite ? | Na2[Al2Si3O10]·2(H2O) | 380.22 |
22.14 % Si | IMA2008-070 | NaLi2(Fe2Al2Li)(Si6Al2)O22F2 | 761.03 |
22.09 % Si | Phillipsite-K ! | (K,Na,Ca)1-2(Si,Al)8O16·6(H2O) | 661.10 |
22.06 % Si | Bustamite # | (Mn,Ca)3Si3O9 | 381.92 |
22.05 % Si | Paragonite # | NaAl2(Si3Al)O10(OH)2 | 382.20 |
22.04 % Si | IMA2009-004 | KCa7Sn2Li3Si12O36F2 | 1,528.89 |
22.03 % Si | Tvedalite | (Ca,Mn++)4Be3Si6O17(OH)4·3(H2O) | 764.79 |
22.02 % Si | Nafertisite ! | Na3(Fe++,Fe+++)6(Ti2Si12O34)(O,OH)7·2(H2O) | 1,530.61 |
22.02 % Si | Nordite-(La) # | (Na,Mn)3(Sr,Ca)(La,Ce)(Zn,Mg)Si6O17 | 752.60 |
22.02 % Si | Armenite # | BaCa2Al6Si9O30·2(H2O) | 1,148.15 |
22.01 % Si | Nordite-(Ce) | (Ce,La,Ca)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17 | 752.84 |
22.00 % Si | Jeffreyite | (Ca,Na)2(Be,Al)Si2(O,OH)7 | 255.30 |
21.99 % Si | Tobermorite # | Ca5Si6O16(OH)2·4(H2O) | 702.36 |
21.99 % Si | Boromuscovite | KAl2(Si3B)O10(OH,F)2 | 383.13 |
21.99 % Si | Aluminoferrobarroisite ! | [ ]CaNa(Fe2+)3Al2(Si7Al)O22(OH)2 | 894.15 |
21.98 % Si | Mogovidite ! | Na9(Ca,Na)6Ca6Fe2Zr3[ ]Si25O72(CO3)(OH)4 | 3,066.24 |
21.98 % Si | Ershovite | Na4K3(Fe++,Mn++,Ti)2Si8O20(OH)4·5(H2O) | 1,022.20 |
21.97 % Si | Plombierite # | Ca5H2Si6O18·6H2O | 767.00 |
21.93 % Si | Sodic-ferro-anthophyllite ! | NaFe++7Si8O22(OH)2 | 1,024.60 |
21.92 % Si | Tungusite | [Ca14(OH)8](Si8020)(Si8020)2[Fe++9(OH)14] | 761.15 |
21.91 % Si | Zorite | Na6Ti5[Si12O34](O,OH)5·11(H2O) | 1,538.53 |
21.86 % Si | Carletonite | KNa4Ca4Si8O18(CO3)4(OH,F)·(H2O) | 1,027.61 |
21.86 % Si | Ferrokentbrooksite ! | Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 | 3,231.96 |
21.84 % Si | Ferronyboite ! | NaNa2(Fe++)3Al2(Si7Al)O22(OH)2 | 900.05 |
21.83 % Si | Gugiaite | Ca2BeSi2O7 | 257.33 |
21.81 % Si | Katophorite # | Na(CaNa)Fe++4(Al,Fe+++)Si7AlO22(OH)2 | 939.86 |
21.79 % Si | Levyne-Ca # | (Ca,Na2,K2)Al2Si4O12·6(H2O) | 1,506.86 |
21.76 % Si | Halloysite # | Al2Si2O5(OH)4 | 258.16 |
21.76 % Si | Kaolinite # | Al2Si2O5(OH)4 | 258.16 |
21.76 % Si | Dickite # | Al2Si2O5(OH)4 | 258.16 |
21.76 % Si | Nacrite # | Al2Si2O5(OH)4 | 258.16 |
21.75 % Si | Rhodonite # | (Mn++,Fe++,Mg,Ca)SiO3 | 129.13 |
21.74 % Si | Tiettaite | (Na,K)17Fe+++TiSi16O29(OH)30·2(H2O) | 2,066.91 |
21.70 % Si | Chabazite-Ca # | (Ca0.5,Na,K)4[Al4Si8O24]·12H2O | 1,039.07 |
21.70 % Si | Mesolite # | Na2Ca2Al6Si9O30·8(H2O) | 1,164.90 |
21.62 % Si | Eakerite | Ca2SnAl2Si6O18(OH)2·2(H2O) | 779.38 |
21.57 % Si | Ferro-aluminotschermakite * | Ca2Fe++3Al2(Si7Al)O22(OH)2 | 911.24 |
21.55 % Si | Bariumbannisterite * | (K,H3O)(Ba,Ca)(Mn++,Fe++,Mg)21(Si,Al)32O80(O,OH)16·4-12(H2O) | 3,648.84 |
21.52 % Si | Calciocatapleiite | (Ca,[ ])ZrSi3O9·2(H2O) | 391.58 |
21.51 % Si | Georgbarsanovite ! | Na12(Mn,Sr,REE)3Ca6Fe++3Zr3NbSi25O76Cl2·H2O | 3,297.19 |
21.49 % Si | Gedrite # | [ ]Mg5Al2Si6Al2O22(OH)2 | 783.97 |
21.49 % Si | Rectorite # | (Na,Ca)Al4(Si,Al)8O20(OH)4·2(H2O) | 784.18 |
21.48 % Si | Scolecite # | CaAl2Si3O10·3(H2O) | 392.34 |
21.43 % Si | Bannisterite # | KCa(Mn,Fe++,Zn,Mg)21(Si,Al)32O76(OH)16·4-12(H2O) | 3,734.70 |
21.41 % Si | Pyroxmangite # | (Mn,Fe++)SiO3 | 131.20 |
21.36 % Si | Fluorophlogopite ! | KMg3(AlSi3)O10F2 | 415.55 |
21.35 % Si | Raite | Na4Mn++4Si8(O,OH)24·9(H2O) | 1,052.54 |
21.35 % Si | Levyne-Na ! | (Na2,Ca,K2)Al2Si4O12·6(H2O) | 1,540.68 |
21.34 % Si | Yegorovite ! | Na4[Si2O4(OH)2]2·7H2O | 526.43 |
21.31 % Si | Inesite # | Ca2Mn7Si10O28(OH)2·5(H2O) | 1,317.65 |
21.31 % Si | Prehnite # | Ca2Al2Si3O10(OH)2 | 395.38 |
21.31 % Si | Pyroxferroite | (Fe++,Mn)7[Si7O21] | 922.61 |
21.30 % Si | Ferrobarroisite | [ ](CaNa)Fe++3AlFe+++Si7AlO22(OH)2 | 923.02 |
21.27 % Si | Manganonordite-(Ce) ! | Na3SrCeMn++Si6O17 | 792.15 |
21.26 % Si | Chivruaiite ! | Ca4(Ti,Nb)5[(Si6O17)2[(OH,O)5]·13-14H2O | 1,585.23 |
21.26 % Si | Garronite | Na2Ca5Al12Si20O64·27(H2O) | 2,642.23 |
21.25 % Si | Ferronordite-(Ce) ! | Na3SrCeFe++Si6O17 | 793.05 |
21.21 % Si | Swinefordite | (Li,Ca0.5,Na)0.72(Li,Al,Mg)2.66(Si,Al)4O10(OH,F)2·2(H2O) | 397.20 |
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( Bold - Valid Mineral Name)
(* - Mineral Name is Not IMA Approved)
(! - New Dana Classification Number Has Been Changed or Added)
(? - IMA Discredited Mineral Species Name)
(# - Grandfathered as valid)