Yttrium (Y) Minerals sorted by Descending Weight Percent
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| % Y | Mineral Name | Chemical Formula | MW |
| 52.95 % Y | Bastnasite-(Y) | Y(CO3)F | 167.91 |
| 50.52 % Y | Thalenite-(Y) # | Y3Si3O10(OH) | 527.98 |
| 50.33 % Y | Fluorthalenite-(Y) ! | Y3Si3O10F | 529.97 |
| 48.35 % Y | Xenotime-(Y) # | YPO4 | 183.88 |
| 45.28 % Y | Kuliokite-(Y) | (Y,REE)4Al(SiO4)2(OH)2F5 | 706.82 |
| 45.26 % Y | Rowlandite-(Y) # | Y4Fe++Si4O14F2 (?) | 785.80 |
| 44.14 % Y | Tengerite-(Y) # | Y2(CO3)3·2-3(H2O) | 402.88 |
| 43.61 % Y | Wakefieldite-(Y) | YVO4 | 203.84 |
| 42.36 % Y | Horvathite-(Y) ! | NaY(CO3)F2 | 209.90 |
| 41.49 % Y | Britholite-(Y) | (Y,Ca)5(SiO4,PO4)3(OH,F) | 642.79 |
| 41.32 % Y | Yftisite-(Y) ? | (Y,Dy,Er)4(Ti,Sn)O(SiO4)2(F,OH)6 | 753.13 |
| 40.43 % Y | Churchite-(Y) # | YPO4·2(H2O) | 219.91 |
| 39.33 % Y | Minasgeraisite-(Y) | CaY2Be2Si2O10 | 452.08 |
| 39.04 % Y | Moydite-(Y) | YB(OH)4(CO3) | 227.75 |
| 38.31 % Y | IMA2009-005 | (Y,Ca,REE)5[(Si,P)O4]3F | 696.25 |
| 38.01 % Y | Gadolinite-(Y) # | Y2Fe++Be2Si2O10 | 467.85 |
| 36.37 % Y | Lokkaite-(Y) | CaY4(CO3)7·9(H2O) | 977.90 |
| 36.17 % Y | Fergusonite-(Y) # | YNbO4 | 245.81 |
| 36.17 % Y | Fergusonite-beta-(Y) | YNbO4 | 245.81 |
| 35.03 % Y | Chernovite-(Y) | YAsO4 | 228.43 |
| 34.37 % Y | Keiviite-(Y) | (Y,Yb)2Si2O7 | 388.05 |
| 33.17 % Y | Synchysite-(Y) | CaY(CO3)2F | 268.00 |
| 32.08 % Y | Decrespignyite-(Y) ! | (Y,REE)4Cu(CO3)4Cl(OH)5·2(H2O) | 867.49 |
| 31.94 % Y | Yttrialite-(Y) # | (Y,Th)2Si2O7 | 417.54 |
| 31.41 % Y | Kimuraite-(Y) | CaY2(CO3)4·6(H2O) | 566.02 |
| 30.59 % Y | Gagarinite-(Y) | NaCaY(F,Cl)6 | 290.65 |
| 28.16 % Y | Yttrocerite * | CaF2 + (Y,Ce)F3 | 236.78 |
| 28.06 % Y | Trimounsite-(Y) | (Y,REE)2Ti2SiO9 | 475.18 |
| 27.10 % Y | Tveitite-(Y) | Ca1-xYxF2+x, x~0.3 | 98.42 |
| 26.63 % Y | Formanite-(Y) # | YTaO4 | 333.85 |
| 26.45 % Y | Cappelenite-(Y) # | Ba(Y,Ce)6Si3B6O24F2 | 1,344.28 |
| 26.28 % Y | Tombarthite-(Y) | Y4(Si,H4)4O12-x(OH)4+2x | 744.26 |
| 25.64 % Y | Tritomite-(Y) | (Y,Ca,La,Fe++)5(Si,B,Al)3(O,OH,F)13 (?) | 693.60 |
| 25.08 % Y | Kobeite-(Y) # | (Y,U)(Ti,Nb)2(O,OH)6 (?) | 319.10 |
| 24.81 % Y | Hingganite-(Y) | Y2([ ])Be2Si2O8(OH)2 | 433.65 |
| 23.33 % Y | Ashcroftine-(Y) # | K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8·8(H2O) | 3,810.20 |
| 23.00 % Y | Iwashiroite-(Y) ! | YTaO4 | 313.16 |
| 22.94 % Y | Gerenite-(Y) ! | (Ca,Na)2(Y,REE)3Si6O18·2(H2O) | 872.18 |
| 22.68 % Y | Shomiokite-(Y) | Na3Y(CO3)3·3(H2O) | 391.95 |
| 22.17 % Y | Kamphaugite-(Y) | (Ca1.84REEx)(Y1.46REE0.54-x)(CO3)4(OH)1.65·2(H2O) | 585.44 |
| 21.71 % Y | Caysichite-(Y) | Y2(Ca,Gd)2Si4O10(CO3)3(H2O,O,OH)·3H20 | 819.17 |
| 21.16 % Y | Hundholmenite-(Y) ! | (Y,REE,Ca,Na)15(Al,Fe+++)CaxAs+++1-x(Si,As+++++)Si6B3(O,F)48 | 2,521.06 |
| 20.13 % Y | IMA2009-020 | Li4Na12(Y,Na,Ca,REE)12(PO4)12(CO3)4(F,OH)8 | 2,649.36 |
| 20.08 % Y | Kainosite-(Y) # | Ca2(Y,Ce)2Si4O12(CO3)·(H2O) | 664.14 |
| 19.93 % Y | IMA2008-069 | Na3Y(CO3)3·6H2O | 445.99 |
| 19.71 % Y | Yttrotantalite-(Y) # | (Y,U,Fe++)(Ta,Nb)O4 | 315.74 |
| 19.40 % Y | Aeschynite-(Y) | (Y,Ca,Fe)(Ti,Nb)2(O,OH)6 | 274.97 |
| 18.08 % Y | Adamsite-(Y) ! | NaY(CO3)2·6(H2O) | 344.24 |
| 17.98 % Y | Yttrocolumbite-(Y) # | (Y,U,Fe++)(Nb,Ta)O4 | 296.62 |
| 17.82 % Y | Allanite-(Y) ! | (Y,Ce,Ca)2(Al,Fe+++)3(SiO4)3(OH) | 598.63 |
| 15.87 % Y | Thortveitite # | (Sc,Y)2Si2O7 | 280.05 |
| 15.86 % Y | Euxenite-(Y) # | (Y,Ca,Ce)(Nb,Ta,Ti)2O6 | 392.28 |
| 15.10 % Y | Okanoganite-(Y) | (Na,Ca)3(Y,Ce)12Si6B2O27F14 | 2,660.88 |
| 14.91 % Y | Yttrocrasite-(Y) # | (Y,Th,Ca,U)(Ti,Fe+++)2(O,OH)6 | 298.05 |
| 14.85 % Y | Reederite-(Y) ! | Na15Y2(CO3)9(SO3F)Cl | 1,197.26 |
| 14.14 % Y | Vyuntspakhkite-(Y) | (Y,Yb,Er)4Al2AlSi5O18(OH)5 | 1,118.90 |
| 13.65 % Y | Yttropyrochlore-(Y) | (Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7 | 455.99 |
| 13.47 % Y | Tadzhikite-(Y) ! | Ca4(Y,Ce)2(Ti,Al,Fe+++,[ ])2[Si4B4O22](OH)2 | 990.13 |
| 13.33 % Y | Micheelsenite ! | (Ca,Y)3Al[PO3OH,CO3](CO3)(OH)6·12(H2O) | 667.02 |
| 12.95 % Y | Hellandite-(Y) # | (Ca,REE)4(Y,Ce)2(Al,[ ])2[Si4B4O22](OH)2 | 1,029.47 |
| 12.94 % Y | Tanteuxenite-(Y) # | (Y,Ce,Ca)(Ta,Nb,Ti)2(O,OH)6 | 480.83 |
| 12.17 % Y | Yakovenchukite-(Y) ! | K3NaCaY2(Si12O30)·4H2O | 1,256.79 |
| 12.13 % Y | Proshchenkoite-(Y) ! | (Y,REE,Ca,Na,Mn)15Fe++Ca(P,Si)Si6B3(O,F)48 | 2,711.51 |
| 11.92 % Y | Polycrase-(Y) # | (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6 | 372.96 |
| 11.83 % Y | Thomasclarkite-(Y) ! | (Na,Ce)(Y,REE)(HCO3)(OH)3·4(H2O) | 375.77 |
| 11.44 % Y | Moskvinite-(Y) ! | Na2K(Y,REE) [Si6O15] | 598.41 |
| 11.06 % Y | Paraniite-(Y) | Ca2Y(AsO4)(WO4)2 | 803.68 |
| 10.73 % Y | Donnayite-(Y) | Sr3NaCaY(CO3)6·3(H2O) | 828.93 |
| 10.67 % Y | Tantalaeschynite-(Y) | (Y,Ce,Ca)(Ta,Ti,Nb)2O6 | 499.75 |
| 10.34 % Y | Sazykinaite-(Y) | Na5YZrSi6018·6(H2O) | 859.67 |
| 9.88 % Y | Mackelveyite-(Y) | NaBa3CaY(CO3)3(OH)6·3H2O | 900.07 |
| 9.80 % Y | Hingganite-(Yb) | (Yb,Y)2([ ])Be2Si2O8(OH)2 | 453.70 |
| 9.78 % Y | Murataite | (Y,Na)6(Zn,Fe+++)5(Ti,Nb)12O29(O,F)14 | 2,000.60 |
| 9.60 % Y | Monteregianite-(Y) | (Na,K)6(Y,Ca)2Si16O38·10(H2O) | 1,574.86 |
| 9.57 % Y | Loranskite-(Y) # | (Y,Ce,Ca)ZrTaO6 (?) | 464.38 |
| 9.41 % Y | Keiviite-(Yb) | (Yb,Y)2Si2O7 | 472.18 |
| 8.38 % Y | Scheteligite ? | (Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH) | 424.56 |
| 8.35 % Y | Chernovite-(Ce) * | (Ce,Y)(AsO4) | 266.23 |
| 8.34 % Y | Chukhrovite-(Y) | Ca3(Y,Ce)Al2(SO4)F13·10(H2O) | 799.10 |
| 8.17 % Y | Yttrotungstite-(Y) # | YW2O6(OH)3 | 598.35 |
| 8.14 % Y | Yttrobetafite-(Y) | (Y,U,Ce)2(Ti,Nb,Ta)2O6(OH) | 437.15 |
| 7.81 % Y | Merrillite-(Y) * | Ca16Y2Mg2(PO4)14 | 2,277.42 |
| 7.57 % Y | Pyatenkoite-(Y) ! | Na5(Y,Dy,Gd)TiSi6O18·6(H2O) | 821.63 |
| 7.55 % Y | Bijvoetite-(Y) | (Y,REE)8(H2O)25(UO2)16O8(OH)8(CO3)16·14(H2O) | 7,068.68 |
| 6.77 % Y | Mckelveyite-(Y) | NaCa(Ba,Sr)3(Y,REE)(CO3)6·3(H2O) | 971.59 |
| 6.47 % Y | Agardite-(Y) | (Y,Ca)Cu6(AsO4)3(OH)6·3(H2O) | 1,030.82 |
| 6.46 % Y | Kamotoite-(Y) | (Y,Nd,Gd)2U++++++4(CO3)3O12·14.5(H2O) | 1,790.08 |
| 6.42 % Y | Uranopolycrase | (U,Y)(Ti,Nb,Ta)2O6 | 415.77 |
| 6.26 % Y | Kapitsaite-(Y) ! | (Ba,K,Pb,Na)4(Y,Ca,REE)2[Si8B2(B,Si)2O28F] | 1,419.80 |
| 6.04 % Y | Ishikawaite # | (U,Fe,Y,Ca)(Nb,Ta)O4 (?) | 294.45 |
| 5.93 % Y | Samarskite-(Y) # | (Y,Fe+++,U)(Nb,Ta)5O4 | 299.85 |
| 5.35 % Y | IMA2009-008 | Y2[(UO2)8O6(SO4)4(OH)2]·26H2O | 3,320.70 |
| 5.04 % Y | Mineevite-(Y) | Na25Ba(Y,Gd,Dy)2(HCO3)4(CO3)11(SO4)2ClF2 | 2,115.35 |
| 4.98 % Y | Gadolinite-(Ce) | (Ce,La,Nd,Y)2Fe++Be2Si2O10 | 571.37 |
| 4.87 % Y | Mosandrite # | Na(Na,Ca)2(Ca,Ce,Y)4(Ti,Nb,Zr)(Si2O7)2(O,F)2F3 | 913.39 |
| 4.79 % Y | Petersite-(Y) | (Y,Ce,Nd,Ca)Cu6(PO4)3(OH)6·3(H2O) | 927.20 |
| 4.58 % Y | Nioboaeschynite-(Y) ! | [(Y,REE),Ca,Th,Fe](Nb,Ti,Ta)2(O,OH)6 | 368.70 |
| 4.53 % Y | Dusmatovite | K(K,Na,[ ])(Mn++,Y,Zr)2(Zn,Li)3Si12O30 | 1,176.31 |
| 4.45 % Y | Tadzhikite-(Ce) | Ca4(Ce,Y)2(Ti,Al,Fe+++,[ ])2[Si4B4O22](OH)2 | 998.93 |
| 4.34 % Y | Allanite-(Ce) ! | (Ce,Ca,Y)2(Al,Fe+++)3(SiO4)3(OH) | 614.71 |
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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)