Silicon (Si) Minerals sorted by Descending Weight Percent
Click here for List sorted by Mineral Name
Pages:[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15]
% Si | Mineral Name | Chemical Formula | MW |
26.49 % Si | Ferri-clinoferroholmquistite ! | [ ]Li2(Fe+++2Fe++3)Si8O22(OH)2 | 848.25 |
26.49 % Si | Howieite | Na(Fe++,Mn++)10(Fe,Al)2Si12O31(OH)13 | 2,544.93 |
26.47 % Si | Manganocummingtonite | Na(Na,Mn)2(Mg4,Fe+++)5Si8O22(OH)2 | 848.70 |
26.46 % Si | Ferri-clinoholmquistite ! | [ ]Li2Mg3(Fe3+)2(Si8O22)(OH)2 | 849.26 |
26.42 % Si | Chiavennite | CaMnBe2Si5O13(OH)2·2(H2O) | 531.51 |
26.40 % Si | Vlasovite | Na2ZrSi4O11 | 425.54 |
26.38 % Si | Winchite # | [ ](CaNa)Mg4(Al,Fe3+)Si8O22(OH)2 | 828.18 |
26.38 % Si | Sodic-ferri-ferropedrizite ! | NaLi2(Fe+++2Fe++3)Si8O22(OH)2 | 851.87 |
26.35 % Si | Thornasite | Na12Th3[Si8O19]4·18(H2O) | 3,410.96 |
26.31 % Si | Terskite | Na4ZrSi6O15(OH)2·2(H2O) | 646.98 |
26.29 % Si | Yakhontovite | (Ca,K)0.5(Cu,Fe+++,Mg)2Si4O10(OH)2·3(H2O) | 427.29 |
26.27 % Si | Obertiite ! | NaNa2(Mg3Fe+++Ti)Si8O22(O,F,OH)2 | 855.28 |
26.26 % Si | Heulandite-Sr ! | (Sr,Na,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O) | 2,880.96 |
26.23 % Si | Ferroaluminoceladonite ! | K2Fe++2Al2Si8O20(OH)4 | 856.56 |
26.22 % Si | Kanemite | NaHSi2O5·3(H2O) | 214.21 |
26.22 % Si | Ekanite | ThCa2Si8O20 | 856.87 |
26.19 % Si | Celadonite # | K(Mg,Fe++)(Fe+++,Al)[Si4O10](OH)2 | 429.02 |
26.18 % Si | Penkvilksite | Na4(Ti++++,Zr)2[Si8O22]·4(H2O) | 858.12 |
26.16 % Si | Paulingite-Na ! | (Na2,K2,Ca,Ba)5Al10Si35O90·45(H2O) | 3,756.91 |
26.15 % Si | Tinaksite | K2Na(Ca,Mn++)2(Ti,Fe)O[Si7O18(OH)] | 751.73 |
26.12 % Si | Lemoynite | (Na,K)2CaZr2Si10O26·5-6(H2O) | 1,075.15 |
26.10 % Si | IMA2009-009 | KNa2Li(Mg,Fe)2Ti2Si8O24 | 860.83 |
26.09 % Si | Montesommaite | (K,Na)9Al9Si23O64·10(H2O) | 2,433.32 |
26.07 % Si | Raslakite ! | Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) | 2,774.01 |
26.01 % Si | Erionite-Ca ! | (Ca,K2,Na2)2[Al4Si14O36]·15(H2O) | 2,904.81 |
26.00 % Si | Dellaventuraite ! | NaNa2(Mg2,Mn+++,Li,Ti)Si8O22O2 | 859.87 |
25.97 % Si | Hydrodelhayelite | KCa2AlSi7O17(OH)2·6(H2O) | 756.93 |
25.97 % Si | Fluorcanasite ! | K3Na3Ca5Si12O30F4·H2O | 1,297.67 |
25.96 % Si | Aqualite ! | (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl | 2,812.45 |
25.96 % Si | Ferri-ottoliniite ! | [ ](Na,Li)(Mg3Fe+++2)Si8O22(OH)2 | 865.55 |
25.96 % Si | Frankamenite ! | K3Na3Ca5(Si12O30)[F,(OH)]4·(H2O) | 1,298.37 |
25.94 % Si | Akimotoite ! | (Mg,Fe)SiO3 | 108.27 |
25.94 % Si | Diopside # | CaMgSi2O6 | 216.55 |
25.94 % Si | Ferriwinchite | ([ ],Na)(Na,Ca)2(Mg, Fe++)4Fe+++[Si8O22](OH)2 | 845.75 |
25.92 % Si | Tokkoite | K2Ca4[Si7O18(OH)](F,OH) | 758.60 |
25.89 % Si | Ferriwhittakerite ! | Na(NaLi)(Mg2Fe+++2Li)Si8O22(OH)2 | 867.82 |
25.86 % Si | Wairakite # | CaAl2Si4O12·2(H2O) | 434.41 |
25.74 % Si | Leucite # | KAlSi2O6 | 218.25 |
25.73 % Si | Nekoite # | Ca3Si6O15·7(H2O) | 654.84 |
25.71 % Si | Okenite # | Ca3[Si6O15]·6(H2O) | 1,966.57 |
25.70 % Si | Paulingite-Ca ! | (Ca,K,Na,Ba)5[Al10Si35O84]·34(H2O) | 3,410.06 |
25.67 % Si | Magnesioanthophyllite ? | (Mg,Fe++)7Si8O22(OH)2 | 875.45 |
25.65 % Si | Kazakovite | Na6Mn++TiSi6O18 | 645.92 |
25.65 % Si | Magnesioriebeckite # | [ ]Na2[(Mg,Fe++)3Fe+++2]Si8O22(OH)2 | 876.08 |
25.64 % Si | Actinolite # | Ca2(Mg,Fe++)5Si8O22(OH)2 | 853.16 |
25.64 % Si | Heulandite-K ! | (K,Na,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O) | 2,900.18 |
25.63 % Si | Potassicleakeite ! | KNa2Mg2Fe+++2LiSi8O22(OH)2 | 876.72 |
25.59 % Si | Tschernichite | (Ca,Na)(Si6Al2)O16·4-8(H2O) | 658.39 |
25.59 % Si | Ferroglaucophane # | [ ]Na2(Fe++3Al2)Si8O22(OH)2 | 878.17 |
25.58 % Si | Pezzottaite ! | Cs(Be2Li)Al2Si6O18 | 658.80 |
25.57 % Si | Pigeonite # | (Mg,Fe++,Ca)(Mg,Fe++)Si2O6 | 219.70 |
25.55 % Si | Turkestanite ! | Th(Ca,Na)2(K1-x,[ ]x)Si8O20·n(H2O) | 879.42 |
25.51 % Si | Analcime # | NaAlSi2O6·(H2O) | 220.15 |
25.51 % Si | Phenakite # | Be2SiO4 | 110.11 |
25.49 % Si | Richterite # | Na(CaNa)(Mg,Fe++)5[Si8O22](OH)2 | 881.35 |
25.36 % Si | Leucosphenite # | Na4BaTi2O2[B2Si10O28] | 1,107.50 |
25.36 % Si | Heulandite-Ba ! | (Ba,Ca,K,Na,Sr)5Al9Si27O72·22(H2O) | 2,990.65 |
25.35 % Si | Pectolite # | NaCa2Si3O8(OH) | 332.40 |
25.25 % Si | Beidellite # | Na0.5Al2(Si3.5Al0.5)O10(OH)2·n(H2O) | 389.27 |
25.25 % Si | Sazhinite-(La) ! | Na3La[Si6O15]·2(H2O) | 652.93 |
25.25 % Si | Illite * | (K,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)] | 389.34 |
25.23 % Si | Brewsterite-Sr # | (Sr,Ba)Al4Si12O32·10(H2O) | 1,330.04 |
25.21 % Si | Apophyllite-(NaF) | NaCa4Si8O20F·8(H2O) | 891.09 |
25.16 % Si | Tisinalite | Na3H3(Mn++,Ca,Fe)TiSi6(O,OH)18·2(H2O) | 669.67 |
25.14 % Si | Jervisite | (Na,Ca,Fe++)(Sc,Mg,Fe++)Si2O6 | 223.42 |
25.12 % Si | Paulingite-K | (K2,Ca,Na2,Ba)5Al10Si35O90·45(H2O) | 3,601.72 |
25.10 % Si | Donpeacorite | (Mn,Mg)MgSi2O6 | 223.75 |
25.09 % Si | Parvo-manganotremolite ! | [ ](CaMn)2Mg5(Si7Al)O22(OH)2 | 841.85 |
25.05 % Si | Kalifersite ! | (K,Na)5Fe+++7Si20O50(OH)6·12(H2O) | 2,242.17 |
25.03 % Si | Arapovite ! | (U,Th)(Ca,Na)2(K1-x[ ]x)Si8O20·H2O, x=0.5 | 897.66 |
25.00 % Si | Glauconite # | (K,Na)(Fe+++,Al,Mg)2(Si,Al)4O10(OH)2 | 426.93 |
24.98 % Si | Scandiobabingtonite ! | Ca2(Fe++,Mn)ScSi5O14(OH) | 562.16 |
24.89 % Si | Natrolemoynite ! | Na4Zr2Si10O26·9(H2O) | 1,128.53 |
24.89 % Si | Cavansite | Ca(VO)Si4O10·4(H2O) | 451.42 |
24.89 % Si | Pentagonite | Ca(VO)Si4O10·4(H2O) | 451.42 |
24.89 % Si | Osumilite-(Mg) | (K,Na)(Mg,Fe++)2(Al,Fe+++)3(Si,Al)12O30 | 1,015.74 |
24.83 % Si | Fluoro-edenite ! | NaCa2Mg5Si7AlO22(F,OH)2 | 837.03 |
24.81 % Si | Natalyite | Na(V+++,Cr+++)Si2O6 | 226.36 |
24.80 % Si | Labradorite * | (Ca,Na)(Si,Al)4O8 | 271.81 |
24.78 % Si | Manganoneptunite # | KNa2Li(Mn,Fe++)2Ti2Si8O24 | 906.78 |
24.78 % Si | Potassicpargasite ! | (K,Na)Ca2(Mg,Fe++)5Si8O22(OH,F)2 | 906.89 |
24.77 % Si | Apophyllite * | KCa4(Si4O10)2F·8(H2O) | 907.20 |
24.75 % Si | Neptunite # | KNa2Li(Fe++,Mn)2Ti2Si8O24 | 907.69 |
24.73 % Si | Watatsumiite ! | Na2KMn2LiV2Si8O24 | 905.03 |
24.73 % Si | Offretite # | (K2,Ca,Mg)2.5Al5Si13O36·15(H2O) | 1,453.72 |
24.73 % Si | Kosmochlor # | NaCr+++Si2O6 | 227.15 |
24.68 % Si | Spodiophyllite ? | (Na,K)4(Mg,Fe++)3(Fe+++,Al)2(Si8O24) | 910.57 |
24.65 % Si | Gaultite | Na4Zn2Si7O18·5(H2O) | 797.40 |
24.65 % Si | Odintsovite | K2Na4Ca3Ti2Be4Si12O38 | 1,367.20 |
24.63 % Si | Aegirine-augite * | (Ca,Na)(Mg,Fe++,Fe+++)[Si2O6] | 228.05 |
24.60 % Si | Willemseite | (Ni,Mg)3Si4O10(OH)2 | 456.63 |
24.59 % Si | Aluminobarroisite ! | [ ]CaNaMg3Al2(Si7Al)O22(OH)2 | 799.53 |
24.59 % Si | Reyerite # | (Na,K)4Ca14Si22Al2O58(OH)8·6(H2O) | 2,513.12 |
24.58 % Si | Fluoro-ferroleakeite | NaNa2(Fe++2Fe+++2Li)Si8O22F2 | 913.97 |
24.54 % Si | Nyboite | NaNa2(Mg3Al2)Si7AlO22(OH)2 | 826.37 |
24.52 % Si | Manganbabingtonite | Ca2(Mn,Fe++)Fe+++Si5O14(OH) | 572.59 |
24.52 % Si | Minnesotaite # | (Fe++,Mg)3Si4O10(OH)2 | 458.12 |
24.51 % Si | Loughlinite | Na2Mg3Si6O16·8(H2O) | 687.52 |
24.51 % Si | Babingtonite # | Ca2(Fe++,Mn)Fe+++Si5O14(OH) | 573.05 |
24.44 % Si | Kapustinite ! | Na5.5Mn0.25ZrSi6O16(OH)2 | 689.44 |
Pages:[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15]
( 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)