Silicon (Si) Minerals sorted by Mineral Name
Click here for List sorted by Weight Percent
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% Si | Mineral Name | Chemical Formula | MW |
8.41 % Si | Cervandonite-(Ce) | (Ce,Nd,La)(Fe+++,Fe++,Ti++++,Al)3(SiO7)1-x+y(AsO3)1+x-y(OH)3x-3y | 634.48 |
21.70 % Si | Chabazite-Ca # | (Ca0.5,Na,K)4[Al4Si8O24]·12H2O | 1,039.07 |
22.26 % Si | Chabazite-K ! | (K2,Ca,Na2,Mg)[Al2Si4O12]·6(H2O) | 504.66 |
19.86 % Si | Chabazite-Na ! | (Na2,K2,Ca,Mg)[Al2Si4O12]·6(H2O) | 1,046.27 |
18.92 % Si | Chabazite-Sr ! | (Sr,Ca,K2,Na2)[Al2Si4O12]·6(H2O) | 534.42 |
13.22 % Si | Chamosite # | (Fe++,Mg,Fe+++)5Al(Si3Al)O10(OH,O)8 | 637.20 |
11.05 % Si | Chantalite | CaAl2SiO4(OH)4 | 254.15 |
12.92 % Si | Chapmanite # | Sb+++Fe+++2(SiO4)2(OH) | 434.62 |
1.14 % Si | Charlesite | Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12·26(H2O) | 1,234.40 |
27.65 % Si | Charoite | K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O) | 1,828.68 |
32.38 % Si | Chayesite | K(Mg,Fe++)4Fe+++(Si12O30) | 1,040.72 |
14.26 % Si | Chegemite ! | Ca7(SiO4)3(OH)2 | 590.81 |
4.89 % Si | Chelyabinskite * | (Ca,Mg)3Si(OH)6(SO4,CO3)2·9(H2O) | 574.77 |
1.17 % Si | Cheralite-(Ce) ? | (Ce,Ca,Th)(P,Si)O4 | 239.85 |
14.80 % Si | Chernykhite | (Ba,Na)V+++,Al)2(Si,Al)4O10(OH)2 | 436.38 |
10.17 % Si | Chesnokovite ! | Na2[SiO2(OH)2]·8H2O | 277.56 |
2.22 % Si | Chessexite | (K,Na)4Ca2Mg3Al8(SiO4)2(SO4)10(OH)10·40(H2O) | 2,528.59 |
27.07 % Si | Chesterite | (Mg,Fe++)17Si20O54(OH)6 | 2,074.96 |
9.32 % Si | Chevkinite-(Ce) # | (Ce,La,Ca,Th)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 | 1,205.27 |
26.42 % Si | Chiavennite | CaMnBe2Si5O13(OH)2·2(H2O) | 531.51 |
21.26 % Si | Chivruaiite ! | Ca4(Ti,Nb)5[(Si6O17)2[(OH,O)5]·13-14H2O | 1,585.23 |
27.11 % Si | Chkalovite # | Na2BeSi2O6 | 207.16 |
0.33 % Si | Chladniite | Na2Ca(Mg,Fe++)7(PO4)6 | 847.39 |
11.59 % Si | Chloritoid # | (Fe++,Mg,Mn)2Al4Si2O10(OH)4 | 484.71 |
16.51 % Si | Chloro-potassichastingsite ! | KCa2(Fe++3MgFe+++)(Si6Al2)S8O22Cl2 | 1,002.11 |
14.70 % Si | Chondrodite # | (Mg,Fe++)5(SiO4)2(F,OH)2 | 382.12 |
0.19 % Si | Chopinite ! | (Mg,Fe)3(PO4)2 | 291.81 |
26.64 % Si | Chromceladonite ! | KCrMg(Si4O10)(OH)2 | 421.75 |
15.12 % Si | Chromdravite ! | NaMg3(Cr,Fe+++)6(BO3)3Si6O18(OH)4 | 1,114.61 |
20.27 % Si | Chromphyllite ! | (K,Ba)(Cr,Al)2[AlSi3O10](OH,F)2 | 415.64 |
17.10 % Si | Chrysocolla # | (Cu,Al)2H2Si2O5(OH)4·n(H2O) | 328.42 |
20.27 % Si | Chrysotile ! | Mg3Si2O5(OH)4 | 277.11 |
10.91 % Si | Ciprianiite ! | Ca4[(Th,U)(REE)]2(Al,[ ])2[Si4B4O22](OH,F)2 | 1,032.51 |
17.16 % Si | Clinobarylite ! | BaBe2Si2O7 | 327.37 |
14.16 % Si | Clinochlore # | (Mg,Fe++)5Al(Si3Al)O10(OH)8 | 595.22 |
20.27 % Si | Clinochrysotile ? | Mg3Si2O5(OH)4 | 277.11 |
27.98 % Si | Clinoenstatite # | Mg2Si2O6 | 200.78 |
27.58 % Si | Clinoferroholmquistite | [ ](Li2Fe++3Al2)Si8O22 (OH)2 | 814.53 |
22.64 % Si | Clinoferrosilite # | (Fe++,Mg)2Si2O6 | 248.09 |
13.03 % Si | Clinohedrite # | CaZnSiO4·(H2O) | 215.57 |
28.27 % Si | Clinoholmquistite ? | [ ](Li2Mg3Al2)Si8O22(OH)2 | 794.83 |
16.16 % Si | Clinohumite # | (Mg,Fe++)9(SiO4)4(F,OH)2 | 695.05 |
27.20 % Si | Clinojimthompsonite | (Mg,Fe++)5Si6O16(OH)2 | 619.47 |
9.72 % Si | Clinophosinaite ! | Na3CaPSiO7 | 288.86 |
29.91 % Si | Clinoptilolite-Ca ! | (Ca,Na,K)2-3Al3(Al,Si)2Si13O36·12(H2O) | 2,742.13 |
29.15 % Si | Clinoptilolite-K # | (Na,K,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O) | 2,830.35 |
30.32 % Si | Clinoptilolite-Na ! | (Na,K,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O) | 2,703.72 |
22.44 % Si | Clinotobermorite | Ca5Si6(O,OH)18·5(H2O) | 751.00 |
18.54 % Si | Clinozoisite ! | Ca2Al3(SiO4)3(OH) = Ca2AlAl2(SiO4)(Si2O7)O(OH) | 454.36 |
16.86 % Si | Clinozoisite-(Sr) ! | CaSrAl3(Si2O7)(SiO4)O(OH) | 499.69 |
8.78 % Si | Clintonite # | Ca(Mg,Al)3(Al3Si)O10(OH)2 | 415.81 |
0.16 % Si | Cobaltkieserite ! | CoSO4·H2O | 175.01 |
46.74 % Si | Coesite # | SiO2 | 60.08 |
7.71 % Si | Coffinite # | U(SiO4)1-x(OH)4x | 327.71 |
23.78 % Si | Combeite # | Na2Ca2Si3O9 | 354.39 |
16.14 % Si | Cookeite # | LiAl4(Si3Al)O10(OH)8 | 522.16 |
17.82 % Si | Coombsite ! | K(Mn++,Fe++,Mg)13(Si,Al)18O42(OH)14 | 2,127.66 |
24.01 % Si | Cordierite # | Mg2Al4Si5O18 | 584.95 |
13.73 % Si | Corrensite # | (Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·n(H2O) | 1,227.19 |
6.52 % Si | Coutinhoite ! | ThxBa1-2x(H2O)y(UO2)2Si5O13·H2O | 2,118.94 |
18.88 % Si | Cowlesite | CaAl2Si3O10·5-6(H2O) | 446.38 |
12.04 % Si | Creaseyite | Pb2Cu2(Fe+++,Al)2Si5O17·6(H2O) | 1,166.48 |
46.74 % Si | Cristobalite # | SiO2 | 60.08 |
7.03 % Si | Cronstedtite # | Fe++2Fe+++(SiFe+++)O5(OH)4 | 399.50 |
28.25 % Si | Crossite ? | Na2(Mg,Fe++)3(Al,Fe+++)2Si8O22(OH)2 | 795.32 |
15.76 % Si | Cryptohalite # | (NH4)2SiF6 | 178.15 |
23.37 % Si | Cryptophyllite | K2Ca[Si4O10]·5H2O | 480.69 |
28.78 % Si | Cummingtonite # | [ ]Mg7Si8O22(OH)2 | 780.82 |
29.88 % Si | Cuprorivaite # | CaCuSi4O10 | 375.96 |
6.52 % Si | Cuprosklodowskite # | Cu[(UO2)(SiO2OH)]2·6(H2O) | 861.84 |
15.37 % Si | Cuspidine # | Ca4Si2O7(F,OH)2 | 365.48 |
14.28 % Si | Cymrite # | BaAl2Si2O8·(H2O) | 393.47 |
29.70 % Si | Dachiardite-Ca # | (Ca,Na2,K2)5Al10Si38O96·25(H2O) | 1,792.84 |
30.45 % Si | Dachiardite-Na | (Na2,Ca,K2)4Al4Si20O48·13(H2O) | 1,808.84 |
29.53 % Si | Dalyite # | K2ZrSi6O15 | 571.59 |
15.08 % Si | Danalite # | Fe++4Be3(SiO4)3S | 558.74 |
22.85 % Si | Danburite # | CaB2(SiO4)2 | 245.86 |
29.87 % Si | Darapiosite | KNa2Zr[Li(Mn,Zr)2Si12O30] | 1,128.27 |
17.56 % Si | Datolite # | CaBSiO4(OH) | 159.98 |
31.55 % Si | Davanite | K2TiSi6O15 | 535.04 |
12.27 % Si | Davisite ! | Ca(Sc,Ti+++,Mg,Ti++++)AlSiO6 | 235.70 |
17.69 % Si | Davreuxite # | MnAl6Si4O17(OH)2 | 635.17 |
15.02 % Si | Davyne # | Na4K2Ca2Si6Al6O24(SO4)Cl2 | 1,084.25 |
16.01 % Si | Deerite | (Fe++,Mn)6(Fe+++,Al)3Si6O20(OH)5 | 1,052.69 |
2.69 % Si | Defernite | Ca6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x=0,5) | 521.80 |
27.81 % Si | Delhayelite | (Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3·18(H2O) | 3,231.17 |
12.36 % Si | Delindeite | Ba2(Na,K,[ ])3(Ti,Fe)[Ti2(O,OH)4Si4O14](H2O,OH)2 | 886.43 |
15.76 % Si | Dellaite | Ca6Si3O11(OH)2 | 534.73 |
26.00 % Si | Dellaventuraite ! | NaNa2(Mg2,Mn+++,Li,Ti)Si8O22O2 | 859.87 |
12.62 % Si | Demartinite ! | K2[SiF6] | 220.26 |
24.35 % Si | Denisovite | (K,Na)Ca2Si3O8(F,OH) | 345.98 |
0.01 % Si | Dickinsonite-(KMnNa) ! | KNaMnNa3Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 | 2,117.87 |
21.76 % Si | Dickite # | Al2Si2O5(OH)4 | 258.16 |
9.08 % Si | Dingdaohengite-(Ce) ! | (Ce,La)4Fe++(Ti,Fe++,Mg,Fe+++)2Ti2Si4O22 | 1,237.85 |
25.94 % Si | Diopside # | CaMgSi2O6 | 216.55 |
17.82 % Si | Dioptase # | CuSiO2(OH)2 | 157.64 |
28.70 % Si | Direnzoite ! | NaK6MgCa2(Al13Si47O120)·36H2O | 4,597.25 |
14.06 % Si | Dissakisite-(Ce) ! | Ca(Ce,REE)(Mg,Fe++)(Al,Fe+++)2Si3O12(OH) | 599.36 |
15.13 % Si | Dissakisite-(La) ! | (Ca,Fe++,Th, La)(La,REE,Ca)(Al,Cr,Ti)2(Mg,Fe,Al)Si3O12(OH,F) with La > Ce | 551.33 |
14.98 % Si | Diversilite-(Ce) ! | Na2(Ba,K)6Ce2Fe++Ti3Si12O36(OH)3(OH,H2O)9 | 2,272.68 |
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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)