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 |
27.79 % Si | Silinaite | NaLiSi2O5·2(H2O) | 202.13 |
0.98 % Si | Sillenite # | Bi12SiO20 | 2,855.84 |
17.33 % Si | Sillimanite # | Al2SiO5 = Al[6]Al[4]OSiO4 | 162.05 |
17.94 % Si | Silvialite ! | (Ca,Na)4Al6Si6O24(SO4,CO3) | 939.25 |
56.07 % Si | Sinoite | Si2N2O | 100.18 |
8.54 % Si | Sitinakite | Na2K(Ti,Nb)4O4(SiO4)2(O,OH)·4(H2O) | 658.10 |
6.54 % Si | Sklodowskite # | (H3O)2Mg(UO2)2(SiO4)2·4(H2O) | 858.63 |
19.05 % Si | Slawsonite | (Sr,Ca)Al2Si2O8 | 309.65 |
8.15 % Si | Sobolevite | Na11(Na,Ca)4(Mg,Mn)Ti++++4(Si4O12)(PO4)4O5F3 | 1,378.43 |
19.08 % Si | Sobotkite ? | (K,Ca0.5)0.33(Mg,Al)3(Si3Al)O10(OH)2·1-5(H2O) | 441.54 |
17.39 % Si | Sodalite # | Na8Al6Si6O24Cl2 | 969.21 |
4.20 % Si | Soddyite # | (UO2)2SiO4·2(H2O) | 668.17 |
27.95 % Si | Sodicanthophyllite | NaMg7Si8O22(OH)2 | 803.81 |
26.38 % Si | Sodic-ferri-ferropedrizite ! | NaLi2(Fe+++2Fe++3)Si8O22(OH)2 | 851.87 |
27.69 % Si | Sodic-ferripedrizite ! | Na(LiNa)(Fe+++2Mg2Li)Si8O22(OH,F)2 | 811.31 |
21.93 % Si | Sodic-ferro-anthophyllite ! | NaFe++7Si8O22(OH)2 | 1,024.60 |
16.96 % Si | Sodic-ferrogedrite ! | NaFe++6AlSi6Al2O22(OH)2 | 993.53 |
20.95 % Si | Sodicgedrite | NaMg6AlSi6Al2O22(OH)2 | 804.28 |
32.12 % Si | Sogdianite | (K,Na)2(Li,Fe+++,Al)3ZrSi12O30 | 1,049.22 |
23.21 % Si | Sokolovaite ! | CsLi2AlSi4O10F2 | 484.10 |
12.51 % Si | Sonolite | Mn9(SiO4)4(OH,F)2 | 897.79 |
23.36 % Si | Sorensenite | Na4SnBe2Si6O18·2(H2O) | 721.23 |
20.59 % Si | Spadaite # | MgSiO2(OH)2·(H2O) (?) | 136.42 |
17.02 % Si | Spessartine # | Mn++3Al2(SiO4)3 | 495.03 |
18.59 % Si | Sphaerobertrandite ! | Be3SiO4(OH)2 | 152.62 |
24.68 % Si | Spodiophyllite ? | (Na,K)4(Mg,Fe++)3(Fe+++,Al)2(Si8O24) | 910.57 |
30.18 % Si | Spodumene # | LiAlSi2O6 | 186.09 |
12.64 % Si | Spurrite # | Ca5(SiO4)2(CO3) | 444.57 |
13.49 % Si | Staurolite # | (Fe++,Mg)2Al9(Si,Al)4O20(O,OH)4 | 811.89 |
9.73 % Si | Stavelotite-(La) ! | La3Mn++3Cu++(Mn+++,Fe+++,Mn++++)26(Si2O7)6O30 | 3,438.35 |
27.21 % Si | Steacyite | K1-x(Ca,Na)2ThSi8O20 (x=0.2 to 0.4) | 825.70 |
10.73 % Si | Steenstrupine-(Ce) # | Na14Ce6Mn++Mn+++Fe++2(Zr,Th)(Si6O18)2(PO4)7·3(H2O) | 3,142.39 |
27.90 % Si | Stellerite # | CaAl2Si7O18·7(H2O) | 704.74 |
23.84 % Si | Stevensite # | (Ca0.5,Na)0.33(Mg,Fe++)3Si4O10(OH)2·n(H2O) | 471.23 |
27.32 % Si | Stilbite-Ca # | NaCa4[Al8Si28O72]·n(H2O) (n=28-32) | 2,877.96 |
27.27 % Si | Stilbite-Na ! | Na3Ca3[Al8Si28O72]·n(H2O) (n=28-32) | 2,883.86 |
11.42 % Si | Stillwellite-(Ce) # | (Ce,La,Ca)BSiO5 | 245.85 |
22.51 % Si | Stilpnomelane # | K(Fe++,Mg,Fe+++)8(Si,Al)12(O,OH)27·n(H2O) | 1,247.57 |
46.74 % Si | Stishovite | SiO2 | 60.08 |
19.92 % Si | Stokesite # | CaSnSi3O9·2(H2O) | 423.07 |
28.32 % Si | Stoppaniite ! | (Fe,Al,Mg)4(Na,[ ])2[Be6Si12O36]·2(H2O) | 1,190.23 |
0.01 % Si | Stornesite-(Y) ! | (Y, Ca)[ ]2Na6(Ca,Na)8(Mg,Fe)43(PO4)36 | 5,318.15 |
14.30 % Si | Strakhovite | NaBa3(Mn++,Mn+++)4Si6O19(OH)3 | 1,178.25 |
6.86 % Si | Stratlingite | Ca2Al[(OH)6AlSiO2-3(OH)4-3]·2,5(H2O) | 409.31 |
12.12 % Si | Stringhamite | CaCuSiO4·2(H2O) | 231.74 |
18.42 % Si | Stronalsite | SrNa2Al4Si4O16 | 609.86 |
9.85 % Si | Strontiochevkinite | (Sr,REE)4Fe(Ti,Zr)2Ti2Si4O22 | 1,140.23 |
17.50 % Si | Strontiojoaquinite | (Na,Fe++)2Ba2Sr2Ti2[Si4O12]2(O,OH)2·(H2O) | 1,284.18 |
17.50 % Si | Strontio-orthojoaquinite | (Na,Fe++)2Ba2Sr2Ti2[Si4O12]2(O,OH)2·(H2O) | 1,284.18 |
18.51 % Si | Sturtite ? | (Fe3+)(Mn2+,Ca,Mg)Si4O10(OH)3·10(H2O) | 606.77 |
15.41 % Si | Sudoite | Mg2(Al,Fe+++)3Si3AlO10(OH)8 | 546.77 |
14.20 % Si | Suessite | (Fe,Ni)3Si | 197.76 |
32.35 % Si | Sugilite | KNa2(Fe+++,Mn+++,Al)2Li3Si12O30 | 1,041.66 |
16.83 % Si | Suhailite ! | (NH4)Fe3(Si3Al)O10(OH)2 | 445.65 |
20.93 % Si | Suolunite | Ca2Si2O5(OH)2·(H2O) | 268.35 |
15.22 % Si | Surinamite | (Mg,Fe++)3Al4BeSi3O16 | 553.76 |
10.79 % Si | Surite | (Pb,Cu)2-3(CO3)1.5-2(OH,F)0.5-1[(Al,Fe+++)2(Si,Al)4O10(OH)2]·n(H2O) | 937.16 |
12.80 % Si | Surkhobite ! | KBa3Ca2Na2(Mn, Fe++,Fe+++)16Ti8(Si2O7)8O8(OH)4 (F,O,OH)8 | 3,523.22 |
16.78 % Si | Sursassite # | Mn++2Al3(SiO4)(Si2O7)(OH)3 | 502.09 |
13.79 % Si | Suzukiite | BaVO(SiO3)2 | 407.38 |
15.83 % Si | Sverigeite | NaMnMgSn++++Be2Si3O12(OH) | 532.22 |
20.19 % Si | Svyatoslavite | CaAl2Si2O8 | 278.21 |
5.70 % Si | Swamboite | U++++++H6(UO2)6(SiO4)6·30(H2O) | 2,957.20 |
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 |
23.18 % Si | Tacharanite | Ca12Al2Si18O33(OH)36 | 2,180.68 |
11.25 % Si | Tadzhikite-(Ce) | Ca4(Ce,Y)2(Ti,Al,Fe+++,[ ])2[Si4B4O22](OH)2 | 998.93 |
11.35 % Si | Tadzhikite-(Y) ! | Ca4(Y,Ce)2(Ti,Al,Fe+++,[ ])2[Si4B4O22](OH)2 | 990.13 |
16.92 % Si | Taikanite | (Ba,Sr)2Mn+++2Si4O12 | 664.01 |
27.74 % Si | Tainiolite # | KLiMg2Si4O10F2 | 404.98 |
29.62 % Si | Talc # | Mg3Si4O10(OH)2 | 379.27 |
19.10 % Si | Tamaite ! | (Ca,K,Ba,Na)3-4Mn24(Si,Al)40(O,OH)112·21(H2O) | 4,822.34 |
19.03 % Si | Taneyamalite | (Na,Ca)(Mn++,Mg)12[(Si,Al)6O17]2(O,OH)10 | 1,697.49 |
24.35 % Si | Tanohataite ! | LiMn2Si3O8(OH) | 346.08 |
14.36 % Si | Taramellite # | Ba4(Fe+++,Ti,Fe++,Mg)4(B2Si8O27)O2Clx (x=0 to 1) | 1,525.66 |
17.83 % Si | Taramite # | Na(CaNa)Fe++3AlFe+++[Si6Al2O22](OH)2 | 944.90 |
20.26 % Si | Taseqite ! | Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 | 3,403.45 |
0.77 % Si | Tegengrenite ! | (Mg,Mn++)2Sb+++++0.5(Mn+++,Si,Ti)0.5O4 | 219.12 |
30.30 % Si | Telyushenkoite ! | CsNa6[Be2(Si,Al)18O39F2] | 1,433.11 |
13.91 % Si | Tephroite # | Mn2SiO4 | 201.96 |
11.69 % Si | Ternesite ! | Ca5(SiO4)2SO4 | 480.62 |
34.12 % Si | Terranovaite ! | (Na,Ca)8(Si68Al12)O160·29(H2O) | 5,573.13 |
26.31 % Si | Terskite | Na4ZrSi6O15(OH)2·2(H2O) | 646.98 |
16.27 % Si | Tetraferriannite | K(Fe++,Mg)3(Fe+++,Al)Si3O10(OH)2 | 517.76 |
18.89 % Si | Tetraferriphlogopite ! | KMg3Fe+++Si3O10(OH)2 | 446.13 |
22.16 % Si | Tetranatrolite ? | Na2[Al2Si3O10]·2(H2O) | 380.22 |
15.96 % Si | Thalenite-(Y) # | Y3Si3O10(OH) | 527.98 |
4.51 % Si | Thaumasite # | Ca3Si(CO3)(SO4)(OH)6·12(H2O) | 622.62 |
17.41 % Si | Thomsonite-Ca # | NaCa2Al5Si5O20·6(H2O) | 806.56 |
15.73 % Si | Thomsonite-Sr ! | (Sr,Ca)2Na[Al5Si5O20]·7(H2O) | 892.94 |
8.67 % Si | Thorite # | ThSiO4 | 324.12 |
26.35 % Si | Thornasite | Na12Th3[Si8O19]4·18(H2O) | 3,410.96 |
7.86 % Si | Thorogummite # | Th(SiO4)1-x(OH)4x | 321.72 |
15.76 % Si | Thorosteenstrupine | (Ca,Th,Mn)3Si4O11F·6(H2O) | 712.88 |
20.06 % Si | Thortveitite # | (Sc,Y)2Si2O7 | 280.05 |
21.16 % Si | Tienshanite | BaNa2MnTiB2Si6O20 | 796.25 |
21.74 % Si | Tiettaite | (Na,K)17Fe+++TiSi16O29(OH)30·2(H2O) | 2,066.91 |
11.50 % Si | Tilleyite # | Ca5Si2O7(CO3)2 | 488.58 |
26.15 % Si | Tinaksite | K2Na(Ca,Mn++)2(Ti,Fe)O[Si7O18(OH)] | 751.73 |
19.62 % Si | Tinzenite # | (Ca,Mn,Fe)3Al2BO3Si4O12(OH) | 572.45 |
14.33 % Si | Tiragalloite | Mn++4As+++++Si3O12(OH) | 587.93 |
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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)