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 |
16.93 % Si | Oyelite | Ca10B2Si8O29·12(H2O) | 1,327.25 |
18.06 % Si | Pabstite | Ba(Sn,Ti)Si3O9 | 466.58 |
1.63 % Si | Palenzonaite | (Ca,Na)3Mn++(V+++++,As+++++,Si)3O12 | 517.63 |
27.31 % Si | Palygorskite # | (Mg,Al)2Si4O10(OH)·4(H2O) | 411.35 |
18.22 % Si | Panunzite | (K,Na)AlSiO4 | 154.14 |
16.83 % Si | Papagoite | CaCuAlSi2O6(OH)3 | 333.79 |
14.96 % Si | Paracelsian # | BaAl2Si2O8 | 375.46 |
20.27 % Si | Parachrysotile ? | Mg3Si2O5(OH)4 | 277.11 |
22.05 % Si | Paragonite # | NaAl2(Si3Al)O10(OH)2 | 382.20 |
18.39 % Si | Parakeldyshite | Na2ZrSi2O7 | 305.37 |
17.50 % Si | Parakuzmenkoite-Fe ! | (K,Ba)2Fe(Ti,Nb)4(Si4O12)2(O,OH)4·7(H2O) | 2,567.15 |
20.73 % Si | Paralabuntsovite-Mg ! | Na8K8Mg8Ti16(Si4O12)8(O,OH)16· n(H2O) | 4,336.11 |
13.91 % Si | Paranatisite | Na2[TiO(SiO4)] | 201.94 |
18.66 % Si | Paranatrolite | Na2[Al2Si3O10]·3(H2O) | 415.43 |
12.64 % Si | Paraspurrite | Ca5(SiO4)2(CO3) | 444.57 |
18.33 % Si | Paratsepinite-Ba ! | (Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2·4(H2O) | 628.25 |
19.65 % Si | Paratsepinite-Na ! | (Na,Sr,K,Ca)7(Ti,Nb)8[Si4O12]4(O,OH)8·n(H2O) n ~ 8 | 2,286.52 |
20.77 % Si | Paraumbite | K3Zr2HSi6O18·n(H2O) n=3 to 7 | 811.30 |
20.50 % Si | Paravinogradovite ! | (Na,[ ])2(Ti,Fe+++)4(Si2O6)2(Si3AlO10)(OH)4·H2O | 902.89 |
19.43 % Si | Pargasite # | NaCa2(Mg,Fe++)4Al(Si6Al2)O22(OH)2 | 867.37 |
19.52 % Si | Parsettensite # | (K,Na,Ca)(Mn,Al)7Si8O20(OH)8·2(H2O) (?) | 1,150.86 |
17.38 % Si | Partheite | Ca2Al4Si4O15(OH)2·4(H2O) | 646.49 |
23.32 % Si | Parvo-mangano-edenite ! | Na(CaMn)2Mg5(Si7Al)O22(OH)2 | 851.64 |
25.09 % Si | Parvo-manganotremolite ! | [ ](CaMn)2Mg5(Si7Al)O22(OH)2 | 841.85 |
26.68 % Si | Parvowinchite | Na(NaMn++)(Mg4Fe+++)Si8O22(OH)2 | 842.09 |
4.24 % Si | Parwelite | (Mn,Mg)5Sb(As,Si)2O12 | 662.77 |
25.70 % Si | Paulingite-Ca ! | (Ca,K,Na,Ba)5[Al10Si35O84]·34(H2O) | 3,410.06 |
25.12 % Si | Paulingite-K | (K2,Ca,Na2,Ba)5Al10Si35O90·45(H2O) | 3,601.72 |
26.16 % Si | Paulingite-Na ! | (Na2,K2,Ca,Ba)5Al10Si35O90·45(H2O) | 3,756.91 |
14.77 % Si | Pecoraite | Ni3Si2O5(OH)4 | 380.27 |
25.35 % Si | Pectolite # | NaCa2Si3O8(OH) | 332.40 |
19.49 % Si | Pekovite ! | SrB2Si2O8 | 291.02 |
20.02 % Si | Pellyite | Ba2Ca(Fe++,Mg)2Si6O17 | 841.70 |
26.18 % Si | Penkvilksite | Na4(Ti++++,Zr)2[Si8O22]·4(H2O) | 858.12 |
11.88 % Si | Pennantite # | Mn5Al(Si3Al)O10(OH)8 | 708.96 |
24.89 % Si | Pentagonite | Ca(VO)Si4O10·4(H2O) | 451.42 |
12.75 % Si | Percleveite-(Ce) ! | (Ce,La,Nd)2Si2O7 | 442.72 |
6.41 % Si | Perhamite | Ca3Al7(SiO4)3(PO4)4(OH)3·16.5(H2O) | 1,313.51 |
22.27 % Si | Perlialite | K8Tl4Al12Si24O72·20(H2O) | 3,027.26 |
22.51 % Si | Permanganogrunerite ! | [ ]Mn4(Fe++)3(Si8O22)(OH)2 | 997.98 |
12.72 % Si | Perraultite | (Na,Ca)2(Ba,K)2(Mn++,Fe++)8(Ti,Nb)4Si8O32(OH,F,O)6 | 1,766.01 |
9.35 % Si | Perrierite-(Ce) | (Ce,La,Ca)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 | 1,201.74 |
11.48 % Si | Perryite | (Ni,Fe)8(Si,P)3 | 550.26 |
3.86 % Si | Pertsevite ! | Mg2(BO3)F | 130.82 |
36.72 % Si | Petalite # | LiAlSi4O10 | 305.15 |
20.23 % Si | Petarasite | Na5Zr2Si6O18(Cl,OH)·2(H2O) | 832.99 |
22.75 % Si | Petedunnite | Ca(Zn,Mn++,Fe++,Mg)Si2O6 | 246.86 |
25.58 % Si | Pezzottaite ! | Cs(Be2Li)Al2Si6O18 | 658.80 |
25.51 % Si | Phenakite # | Be2SiO4 | 110.11 |
22.18 % Si | Phillipsite-Ca ! | (Ca,K,Na)1-2(Si,Al)8O16·6(H2O) | 658.41 |
22.09 % Si | Phillipsite-K ! | (K,Na,Ca)1-2(Si,Al)8O16·6(H2O) | 661.10 |
22.47 % Si | Phillipsite-Na # | (Na,K,Ca)1-2(Si,Al)8O16·6(H2O) | 649.86 |
20.10 % Si | Phlogopite # | KMg3(Si3Al)O10(F,OH)2 | 419.25 |
9.34 % Si | Phosinaite-(Ce) ! | Na13Ca2Ce[Si4O12](PO4)4 | 1,203.36 |
8.48 % Si | Phosphoinnelite ! | Ba4Na3Ti3Si4O14(PO4,SO4)2(O,F)3 | 1,301.51 |
0.08 % Si | Phosphowalpurgite ! | (UO2)Bi4(PO4)O4·2(H2O) | 1,391.69 |
17.26 % Si | Piemontite ! | Ca2(Al,Mn,Fe)3(SiO4)3(OH) = Ca2(Mn,Fe)Al2(SiO4)(Si2O7)O(OH) | 488.18 |
16.07 % Si | Piemontite-(Sr) ! | (Ca,Mn++)(Sr,Ca)Mn+++(Al,Mn+++,Fe+++)2(SiO4)(Si2O7)O(OH) | 524.43 |
11.28 % Si | Piergorite-(Ce) ! | Ca8Ce2(Al0.5 Fe+++0.5)([ ],Li,Be)2Si6B8O36(OH,F)2 | 1,498.89 |
25.57 % Si | Pigeonite # | (Mg,Fe++,Ca)(Mg,Fe++)Si2O6 | 219.70 |
20.26 % Si | Pimelite ? | Ni3Si4O10(OH)2·4(H2O) | 554.48 |
15.86 % Si | Pitiglianoite | Na6K2Si6Al6O24(SO4)·2(H2O) | 1,062.62 |
31.12 % Si | Plagioclase * | (Na,Ca)(Si,Al)4O8 | 270.77 |
19.19 % Si | Plancheite # | Cu8Si8O22(OH)4·(H2O) | 1,171.08 |
21.97 % Si | Plombierite # | Ca5H2Si6O18·6H2O | 767.00 |
13.89 % Si | Plumalsite * | Pb4Al2(SiO3)7 (?) | 1,415.35 |
0.69 % Si | Plumboagardite ! | (Pb,REE,Ca)Cu6(AsO4)3(OH)6·3(H2O) | 1,097.39 |
15.94 % Si | Plumbophyllite | Pb2Si4O10·H2O | 704.75 |
1.16 % Si | Plumbopyrochlore | (Pb,Y,U,Ca)2-xNb2O6(OH) | 484.00 |
7.77 % Si | Plumbotsumite | Pb5Si4O8(OH)10 | 1,446.41 |
14.21 % Si | Poldervaartite | (Ca,Mn++)2SiO3(OH)2 | 197.68 |
20.69 % Si | Pollucite # | (Cs,Na)2Al2Si4O12·(H2O) | 285.03 |
8.95 % Si | Polyakovite-(Ce) ! | (Ce,La,Nd,Pr,Ca)4(Mg,Fe++)(Cr,Fe+++)2(Ti,Nb)2Si4O22 | 1,255.42 |
28.58 % Si | Polylithionite # | KLi2AlSi4O10(F,OH)2 | 393.12 |
6.29 % Si | Polyphite-VII | Na17Ca3Mg(Ti,Mn)4[Si2O7]2(PO4)6O2F6 | 1,786.09 |
6.29 % Si | Polyphite-VIII | Na17Ca3Mg(Ti,Mn)4[Si2O7]2(PO4)6O2F6 | 1,786.09 |
15.48 % Si | Poppiite ! | Ca2(V+++,Fe+++,Mg)(V+++,Al)2(Si,Al)3(O,OH)14 | 2,120.49 |
22.63 % Si | Potassicarfvedsonite ! | KNa2Fe++4Fe+++Si8O22(OH)2 | 962.95 |
17.45 % Si | Potassiccarpholite ! | (K,Na,[ ])(Li,Mn++)2Al)4Si4O12(OH)4(F,OH)4 | 656.83 |
16.94 % Si | Potassic-chlorohastingsite ! | (K,Na)Ca2(Fe++,Mg)4Fe+++[Si6Al2O22](Cl,OH)2 | 994.80 |
18.11 % Si | Potassic-chloropargasite ! | (K,Na)Ca2(Mg,Fe2+)4Al(Si6Al2O22)(Cl,OH)2 | 930.36 |
15.46 % Si | Potassicferrisadanagaite ! | (K,Na)Ca2(Fe++,Mg)2(Fe+++,Al)2[Si5Al3O22](OH,F,O)2 | 951.81 |
17.23 % Si | Potassic-ferropargasite | KCa2(Fe++4Al)Si6Al2O22(OH)2 | 978.10 |
26.93 % Si | Potassic-fluororichterite ! | (K,Na)(CaNa)Mg5[Si8O22]F2 | 834.33 |
25.63 % Si | Potassicleakeite ! | KNa2Mg2Fe+++2LiSi8O22(OH)2 | 876.72 |
18.31 % Si | Potassic-magnesiohastingsite ! | (K,Na)Ca2(Mg,Fe++,Fe+++,Al)5(Si,Al)8O22(OH,Cl)2 | 925.11 |
18.71 % Si | Potassic-magnesiosadanagaite | (K,Na)Ca2(Mg,Fe++,Al,Ti)5[(Si,Al)8O22](OH)2 | 900.44 |
24.78 % Si | Potassicpargasite ! | (K,Na)Ca2(Mg,Fe++)5Si8O22(OH,F)2 | 906.89 |
26.99 % Si | Potassicrichterite ! | (K,Na)(CaNa)2Mg5[Si8O22](OH,F)2 | 832.34 |
17.43 % Si | Potassicsadanagaite ! | (K,Na)Ca2[Fe++3(Al,Fe+++)2][Si5Al3O22](OH)2 | 966.86 |
36.92 % Si | Poudretteite | KNa2B3Si12O30 | 912.90 |
14.57 % Si | Povondraite ! | (Na,K)(Fe+++,Fe++)3(Fe,Mg,Al)6(BO3)3Si6O18(OH)4 | 1,156.50 |
21.31 % Si | Prehnite # | Ca2Al2Si3O10(OH)2 | 395.38 |
13.95 % Si | Preiswerkite | NaMg2Al3Si2O10(OH)2 | 402.72 |
14.12 % Si | Prismatine ! | ([ ],Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22 | 755.83 |
6.54 % Si | Proshchenkoite-(Y) ! | (Y,REE,Ca,Na,Mn)15Fe++Ca(P,Si)Si6B3(O,F)48 | 2,711.51 |
27.68 % Si | Protoanthophyllite ! | (Mg,Fe)7Si8O22(OH)2 | 801.60 |
23.18 % Si | Protoferro-anthophyllite ! | (Fe++,Mn++)2(Fe++,Mg)5(Si4O11)2(OH)2 | 969.16 |
23.18 % Si | Protomangano-ferro-anthophyllite ! | (Mn++,Fe++)2(Fe++,Mg)5(Si4O11)2(OH)2 | 969.16 |
17.48 % Si | Pumpellyite-(Al) ! | Ca2(Al,Fe++,Mg)Al2(SiO4)(Si2O7)(OH,O)2·H2O | 481.95 |
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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)