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 |
31.49 % Si | Mordenite # | (Ca,Na2,K2)Al2Si10O24·7(H2O) | 874.11 |
16.84 % Si | Morimotoite | Ca3TiFe++Si3O12 | 500.21 |
12.30 % Si | Mosandrite # | Na(Na,Ca)2(Ca,Ce,Y)4(Ti,Nb,Zr)(Si2O7)2(O,F)2F3 | 913.39 |
28.16 % Si | Moskvinite-(Y) ! | Na2K(Y,REE) [Si6O15] | 598.41 |
11.15 % Si | Mottanaite-(Ce) ! | Ca4(Ce,Ca)2AlBe2[Si4B4O22]O2 | 1,007.13 |
27.47 % Si | Mountainite # | (Ca,Na2,K2)2Si4O10·3(H2O) | 409.00 |
13.76 % Si | Mozartite | CaMn+++SiO4(OH) | 204.11 |
11.12 % Si | Muirite | Ba10Ca2Mn++TiSi10O30(OH,Cl,F)10 | 2,526.04 |
17.62 % Si | Mukhinite ! | Ca2Al2V+++(SiO4)3(OH) | 478.32 |
13.18 % Si | Mullite # | Al(4+2x)Si(2-2x)O(10-x) where x =0.17 to 0.59 | 319.54 |
0.14 % Si | Murataite | (Y,Na)6(Zn,Fe+++)5(Ti,Nb)12O29(O,F)14 | 2,000.60 |
14.96 % Si | Murmanite # | (Na,[ ])2{(Na,Ti)4[Ti2(O,H2O)4Si4O14](OH,F)2}·2H2O | 750.89 |
21.13 % Si | Muscovite # | KAl2(Si3Al)O10(OH,F)2 | 398.71 |
33.78 % Si | Mutinaite ! | Na3Ca4Si85Al11O192·60(H2O) | 7,066.15 |
13.58 % Si | Nabalamprophyllite ! | Ba(Na,Ba){Na3Ti[Ti2O2Si4O14](OH,F)2} | 810.56 |
28.67 % Si | Nabesite ! | Na2BeSi4O10·4(H2O) | 391.84 |
13.52 % Si | Nacareniobsite-(Ce) | NbNa3Ca3(Ce,La)(Si2O7)2OF3 | 830.67 |
21.76 % Si | Nacrite # | Al2Si2O5(OH)4 | 258.16 |
22.02 % Si | Nafertisite ! | Na3(Fe++,Fe+++)6(Ti2Si12O34)(O,OH)7·2(H2O) | 1,530.61 |
15.02 % Si | Nagashimalite | Ba4(V+++,Ti)4Si8B2O27Cl(O,OH)2 | 1,496.26 |
11.28 % Si | Nagelschmidtite | Ca7(SiO4)3(PO4)2 | 746.74 |
16.92 % Si | Nalivkinite ! | Li2NaFe++7Ti2Si8O24(OH)4F | 1,309.53 |
24.41 % Si | Namansilite | NaMn+++(Si2O6) | 230.10 |
22.94 % Si | Nambulite | (Li,Na)Mn++4[Si5O14(OH)] | 612.13 |
18.42 % Si | Nanpingite | Cs(Al,Mg,Fe++,Li)2(Si3Al)O10(OH,F)2 | 487.97 |
29.02 % Si | Narsarsukite | Na2(Ti,Fe+++)Si4(O,F)11 | 387.19 |
7.93 % Si | Nasonite # | Pb6Ca4Si6O21Cl2 | 1,983.71 |
24.81 % Si | Natalyite | Na(V+++,Cr+++)Si2O6 | 226.36 |
13.91 % Si | Natisite | Na2(TiO)SiO4 | 201.94 |
4.03 % Si | Natroboltwoodite | (H3O)(Na,K)(UO2)SiO4·(H2O) | 696.19 |
8.26 % Si | Natrokomarovite * | Na6CaNb6[Si4O12F2·4(H2O) | 1,359.81 |
24.89 % Si | Natrolemoynite ! | Na4Zr2Si10O26·9(H2O) | 1,128.53 |
22.16 % Si | Natrolite # | Na2[Al2Si3O10]·2(H2O) | 380.22 |
22.67 % Si | Natronambulite | (Na,Li)Mn++4[Si5O14(OH)] | 619.35 |
30.84 % Si | Natrosilite | Na2Si2O5 | 182.15 |
23.85 % Si | Naujakasite # | Na6(Fe++,Mn)Al4Si8O26 | 942.15 |
11.80 % Si | Nchwaningite | Mn++2SiO3(OH)2·(H2O) | 237.99 |
12.76 % Si | Nechelyustovite ! | (Ba,Na)2{(Na,Ti,Mn)4[(Ti,Nb)2O2Si4O14](OH,O,F)2}·4.5H2O | 880.23 |
25.73 % Si | Nekoite # | Ca3Si6O15·7(H2O) | 654.84 |
14.57 % Si | Nelenite | (Mn,Fe++)16Si12As+++3O36(OH)17 | 2,312.59 |
4.76 % Si | Neltnerite | CaMn+++6SiO12 | 589.78 |
18.23 % Si | Nenadkevichite ! | (Na,Ca,K)(Nb,Ti)Si2O6(O,OH)·2(H2O) | 308.14 |
18.82 % Si | Neotocite # | (Mn,Fe++)SiO3·(H2O) (?) | 149.26 |
19.23 % Si | Nepheline # | (Na,K)AlSiO4 | 146.08 |
14.77 % Si | Nepouite # | Ni3Si2O5(OH)4 | 380.27 |
24.75 % Si | Neptunite # | KNa2Li(Fe++,Mn)2Ti2Si8O24 | 907.69 |
18.35 % Si | Neskevaaraite-Fe ! | NaK3Fe(Ti,Nb)4(Si4O12)2(O,OH)4·6(H2O) | 1,235.20 |
60.06 % Si | Nierite | Si3N4 | 140.28 |
13.29 % Si | Niksergievite ! | [Ba,Ca)2(Al,Si)7O10(CO3)(OH)6·nH2O | 722.73 |
13.17 % Si | Nimite | (Ni,Mg,Fe++)5Al(Si3Al)O10(OH)8 | 639.99 |
16.31 % Si | Niobokupletskite ! | K2Na(Mn,Zn,Fe)7(Nb,Zr,Ti)2Si8O26(OH)4(O,F) | 1,377.37 |
16.11 % Si | Niobophyllite | K2Na(Fe++,Mn)7(Nb,Ti)2Si8O26(OH)4(F,O) | 1,394.28 |
14.46 % Si | Niocalite # | Ca14Nb2(Si2O7)4O6F2 | 1,553.57 |
12.02 % Si | Noelbensonite ! | BaMn+++2(Si2O7)(OH)2·(H2O) | 467.40 |
16.99 % Si | Nontronite # | Na0.3Fe+++2(Si,Al)4O10(OH)2·n(H2O) | 495.90 |
13.90 % Si | Norbergite # | Mg3(SiO4)(F,OH)2 | 202.00 |
22.01 % Si | Nordite-(Ce) | (Ce,La,Ca)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17 | 752.84 |
22.02 % Si | Nordite-(La) # | (Na,Mn)3(Sr,Ca)(La,Ce)(Zn,Mg)Si6O17 | 752.60 |
14.57 % Si | Normandite ! | NaCa(Mn++,Fe++)(Ti,Nb,Zr)Si2O7(O,F)2 | 385.62 |
24.41 % Si | Norrishite | K(Mn+++2Li)Si4O10(O)2 | 460.25 |
16.65 % Si | Nosean # | Na8Al6Si6O24(SO4) | 1,012.38 |
24.54 % Si | Nyboite | NaNa2(Mg3Al2)Si7AlO22(OH)2 | 826.37 |
26.27 % Si | Obertiite ! | NaNa2(Mg3Fe+++Ti)Si8O22(O,F,OH)2 | 855.28 |
16.82 % Si | Odinite | (Fe+++,Mg,Al,Fe++,Ti,Mn)2.5(Si,Al)2O5(OH)4 | 300.61 |
24.65 % Si | Odintsovite | K2Na4Ca3Ti2Be4Si12O38 | 1,367.20 |
24.73 % Si | Offretite # | (K2,Ca,Mg)2.5Al5Si13O36·15(H2O) | 1,453.72 |
34.58 % Si | Oftedalite ! | (Sc,Ca)2KBe3Si12O30 | 973.03 |
16.56 % Si | Ohmilite | Sr3(Ti,Fe+++)(Si2O6)2(O,OH)·2-3(H2O) | 678.36 |
7.08 % Si | Okanoganite-(Y) | (Na,Ca)3(Y,Ce)12Si6B2O27F14 | 2,660.88 |
11.61 % Si | Okayamalite ! | Ca2B2SiO7 | 241.86 |
25.71 % Si | Okenite # | Ca3[Si6O15]·6(H2O) | 1,966.57 |
16.26 % Si | Okhotskite-(Mg) * | Ca3(Mg,Mn++)(Mn+++,Al,Fe+++)(SiO4)(Si2O7)(OH)2·(H2O) | 518.28 |
15.88 % Si | Okhotskite-(Mn++) | Ca2(Mn++,Mg)(Mn+++,Al,Fe+++)Si3O10(OH)4 | 530.54 |
17.49 % Si | Olenite ! | NaAl3Al6(BO3)3(Si6O18)(O,OH)4 | 963.76 |
29.63 % Si | Oligoclase # | (Na,Ca)(Si,Al)4O8 | 265.42 |
18.32 % Si | Olivine * | (Mg,Fe)2SiO4 | 153.31 |
13.81 % Si | Olmiite ! | CaMn[SiO3(OH)](OH) | 203.44 |
8.87 % Si | Ominelite ! | (Fe++,Mg)Al3BSiO9 | 316.53 |
26.57 % Si | Omphacite # | (Ca,Na)(Mg,Fe++,Al)Si2O6 | 211.37 |
22.44 % Si | Oneillite ! | Na15Ca3Mn3Fe++3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 | 3,128.56 |
32.24 % Si | Opal # | SiO2·n(H2O) | 87.11 |
7.43 % Si | Orebroite-III | Mn++6(Fe+++,Sb+++++)2Si2(O,OH)14 | 756.45 |
7.33 % Si | Orebroite-VIII | Mn++3(Sb+++++,Fe+++)SiO4(O,OH)3 | 383.03 |
18.83 % Si | Organovaite-Mn ! | K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4·6(H2O) | 2,372.13 |
18.19 % Si | Organovaite-Zn ! | K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4·6(H2O) | 2,439.14 |
15.12 % Si | Orientite # | Ca2Mn++Mn+++2Si3O10(OH)4 | 557.25 |
28.00 % Si | Orlovite | KLi2TiSi4O11F | 401.25 |
22.29 % Si | Orlymanite | Ca4Mn++3Si8O20(OH)6·2(H2O) | 1,007.87 |
12.69 % Si | Orthochamosite ! | (Fe++,Mg,Fe+++)5Al(Si3Al)O10(OH,O)8 | 664.18 |
9.60 % Si | Orthochevkinite * | (Ce,La,Ca,Na,Th)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 | 1,170.75 |
20.27 % Si | Orthochrysotile ? | Mg3Si2O5(OH)4 | 277.11 |
30.27 % Si | Orthoclase # | KAlSi3O8 | 278.33 |
11.14 % Si | Orthoericssonite | BaMn2(Fe+++O)Si2O7(OH) | 504.22 |
16.19 % Si | Orthojoaquinite-(Ce) | NaFe++Ba2Ce2Ti2[Si4O12]2 O2(OH)·(H2O) | 1,388.16 |
15.72 % Si | Orthojoaquinite-(La) ! | Ba2Na(La,Ce)2Fe++Ti2Si8O26(OH,O,F)·H2O | 1,429.39 |
24.14 % Si | Osumilite-(Fe) # | (K,Na)(Fe++,Mg)2(Al,Fe+++)3(Si,Al)12O30 | 1,047.28 |
24.89 % Si | Osumilite-(Mg) | (K,Na)(Mg,Fe++)2(Al,Fe+++)3(Si,Al)12O30 | 1,015.74 |
11.46 % Si | Ottrelite # | (Mn,Fe++,Mg)2Al4Si2O10(OH)4 | 490.11 |
6.44 % Si | Oursinite | (Co,Mg)(H3O)2[(UO2)SiO4]2·3(H2O) | 871.78 |
13.05 % Si | Oxykinoshitalite ! | (Ba,K)(Mg,Fe++,Ti)3(Si,Al)4O10O2 | 507.95 |
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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)