Mineralogy Database

Mineral Species containing Thorium (Th)

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Element Properties, Isotopic Compositions for Thorium

Thorium (Th) Minerals sorted by Descending Weight Percent

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71 Minerals containing Thorium (Th) sorted by Descending Weight Percent
% Th Mineral Name Chemical Formula MW
87.88 % Th Thorianite # ThO2 264.04
72.13 % Th Thorogummite # Th(SiO4)1-x(OH)4x 321.72
71.59 % Th Huttonite # ThSiO4 324.12
71.59 % Th Thorite # ThSiO4 324.12
50.22 % Th Brabantite ? CaTh(PO4)2 462.06
45.57 % Th Thorbastnasite Th(Ca,Ce)(CO3)2F2·3(H2O) 509.19
43.73 % Th Grayite # (Th,Pb,Ca)PO4·(H2O) 318.38
31.55 % Th Brockite (Ca,Th,Ce)(PO4)·(H2O) 220.66
29.73 % Th Cerianite-(Ce) # (Ce++++,Th)O2 195.09
29.29 % Th Thorosteenstrupine (Ca,Th,Mn)3Si4O11F·6(H2O) 712.88
29.02 % Th Cheralite-(Ce) ? (Ce,Ca,Th)(P,Si)O4 239.85
27.79 % Th Yttrialite-(Y) # (Y,Th)2Si2O7 417.54
27.08 % Th Ekanite ThCa2Si8O20 856.87
25.29 % Th Steacyite K1-x(Ca,Na)2ThSi8O20 (x=0.2 to 0.4) 825.70
23.79 % Th Tuliokite BaNa6Th(CO3)6·6(H2O) 975.45
23.75 % Th Thorutite # (Th,U,Ca)Ti2(O,OH)6 390.82
21.11 % Th Turkestanite ! Th(Ca,Na)2(K1-x,[ ]x)Si8O20·n(H2O) 879.42
20.41 % Th Thornasite Na12Th3[Si8O19]4·18(H2O) 3,410.96
19.29 % Th Eylettersite (Th,Pb)1-xAl3(PO4,SiO4)2(OH)6 (?) 481.10
18.38 % Th Umbozerite Na3Sr4ThSi8(O,OH)24 1,262.17
18.25 % Th Britholite-(Ce) # (Ce,Ca,Th,La,Nd)5(SiO4,PO4)3(OH,F) 762.67
15.73 % Th Monazite-(Sm) ! SmPO4 221.25
14.16 % Th Ciprianiite ! Ca4[(Th,U)(REE)]2(Al,[ ])2[Si4B4O22](OH,F)2 1,032.51
11.33 % Th Nioboaeschynite-(Y) ! [(Y,REE),Ca,Th,Fe](Nb,Ti,Ta)2(O,OH)6 368.70
9.94 % Th Iraqite-(La) K(La,Ce,Th)2(Ca,Na)4(Si,Al)16O40 1,634.63
9.31 % Th Arapovite ! (U,Th)(Ca,Na)2(K1-x[ ]x)Si8O20·H2O, x=0.5 897.66
9.29 % Th Samarskite-(Yb) ! (Yb,Y,REE,U,Th,Ca,Fe++) (Nb,Ta,Ti)O4 312.29
9.08 % Th Vicanite-(Ce) (Ca,Ce,La,Th)15As+++++(As+++0.5,Na0.5)Fe+++Si6B4O40F7 2,554.77
8.42 % Th Kukharenkoite-(La) ! Ba2(La,Ce)(CO3)3F 605.99
8.16 % Th Kivuite ? (Th,Ca,Pb)H2(UO2)4(PO4)2(OH)8·7(H2O) 1,706.20
8.04 % Th Althupite ThAl(UO2)7(PO4)4(OH)5·15(H2O) 2,884.36
7.93 % Th Orthochevkinite * (Ce,La,Ca,Na,Th)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 1,170.75
7.79 % Th Yttrocrasite-(Y) # (Y,Th,Ca,U)(Ti,Fe+++)2(O,OH)6 298.05
7.53 % Th Saryarkite-(Y) Ca(Y,Th)Al5(SiO4)2(PO4,SO4)2(OH)7·6(H2O) 924.75
6.22 % Th Polycrase-(Y) # (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6 372.96
6.18 % Th Karnasurtite-(Ce) (Ce,La,Th)(Ti,Nb)(Al,Fe+++)(Si,P)2O7(OH)4·3(H2O) (?) 450.31
6.06 % Th Zirkelite (Ca,Th,Ce)Zr(Ti,Nb)2O7 382.76
5.88 % Th Calciobetafite Ca2(Ti,Nb)2(O,OH)7 394.30
5.58 % Th Uranopolycrase (U,Y)(Ti,Nb,Ta)2O6 415.77
5.31 % Th Yttrobetafite-(Y) (Y,U,Ce)2(Ti,Nb,Ta)2O6(OH) 437.15
5.14 % Th Melanocerite-(Ce) # (Ce,Th,Ca)5(Si,B)3O12(OH,F)·n(H2O) (?) 903.06
5.11 % Th Piergorite-(Ce) ! Ca8Ce2(Al0.5 Fe+++0.5)([ ],Li,Be)2Si6B8O36(OH,F)2 1,498.89
4.84 % Th Monazite-(La) (La,Ce,Nd)PO4 239.90
4.83 % Th Monazite-(Ce) # (Ce,La,Nd,Th)PO4 240.21
4.82 % Th Monazite-(Nd) (Nd,Ce,La)(P,Si)O4 240.72
4.59 % Th Menezesite ! Ba2MgZr4(BaNb12O42)·12H2O 2,778.48
4.42 % Th Tritomite-(Ce) # (Ce,La,Ca,Y,Th)5(Si,B)3(O,OH,F)13 787.79
3.79 % Th Dissakisite-(La) ! (Ca,Fe++,Th, La)(La,REE,Ca)(Al,Cr,Ti)2(Mg,Fe,Al)Si3O12(OH,F) with La > Ce 551.33
3.66 % Th Cervandonite-(Ce) (Ce,Nd,La)(Fe+++,Fe++,Ti++++,Al)3(SiO7)1-x+y(AsO3)1+x-y(OH)3x-3y 634.48
3.61 % Th Zirconolite-3O # (Ca,Fe,Y,Th)2Fe(Ti,Nb)3Zr2O7 385.57
3.29 % Th Coutinhoite ! ThxBa1-2x(H2O)y(UO2)2Si5O13·H2O 2,118.94
3.20 % Th Sazhinite-(La) ! Na3La[Si6O15]·2(H2O) 652.93
3.02 % Th Bussyite-(Ce) ! (Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4 1,329.21
2.97 % Th Fersmite # (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6 390.96
2.30 % Th Mottanaite-(Ce) ! Ca4(Ce,Ca)2AlBe2[Si4B4O22]O2 1,007.13
1.93 % Th Chevkinite-(Ce) # (Ce,La,Ca,Th)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 1,205.27
1.85 % Th Polyakovite-(Ce) ! (Ce,La,Nd,Pr,Ca)4(Mg,Fe++)(Cr,Fe+++)2(Ti,Nb)2Si4O22 1,255.42
1.85 % Th Steenstrupine-(Ce) # Na14Ce6Mn++Mn+++Fe++2(Zr,Th)(Si6O18)2(PO4)7·3(H2O) 3,142.39
1.66 % Th Okanoganite-(Y) (Na,Ca)3(Y,Ce)12Si6B2O27F14 2,660.88
1.51 % Th Fluorbritholite-(Ce) (Ca,Ce,La,Na)5(SiO4,PO4)3(OH,F) 769.69
1.31 % Th Fluorcalciobritholite ! (Ca,REE)5[(Si,P)O4]3F 710.23
1.04 % Th Ilimaussite-(Ce) (Ba,Na)10K3Na4.5Ce5(Nb,Ti)6[Si12O36][Si9O18(O,OH)24]O6 4,253.30
0.97 % Th Perrierite-(Ce) (Ce,La,Ca)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 1,201.74
0.86 % Th Proshchenkoite-(Y) ! (Y,REE,Ca,Na,Mn)15Fe++Ca(P,Si)Si6B3(O,F)48 2,711.51
0.78 % Th Lakargiite ! CaZrO3 177.87
0.74 % Th Iwashiroite-(Y) ! YTaO4 313.16
0.55 % Th Yakovenchukite-(Y) ! K3NaCaY2(Si12O30)·4H2O 1,256.79
0.40 % Th Uedaite-(Ce) ! Mn++CeAl2Fe++(Si2O7)(SiO4)O(OH) 584.87
0.27 % Th Kuannersuite-(Ce) ! Ba6Na2REE2(PO4)6FCl 1,704.53
0.25 % Th Allanite-(La) ! Ca(REE,Ca)Al2(Fe++,Fe+++)(SiO4)(Si2O7)O(OH) 557.74
0.19 % Th Dingdaohengite-(Ce) ! (Ce,La)4Fe++(Ti,Fe++,Mg,Fe+++)2Ti2Si4O22 1,237.85

( 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)