Samarium (Sm) Minerals sorted by Descending Weight Percent
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| % Sm | Mineral Name | Chemical Formula | MW |
| 13.59 % Sm | Monazite-(Sm) ! | SmPO4 | 221.25 |
| 7.75 % Sm | Shabaite-(Nd) | Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2·6(H2O) | 969.96 |
| 5.30 % Sm | Churchite-(Dy) * | (Dy,Sm,Gd,Nd)(PO4)·2(H2O) | 283.93 |
| 5.27 % Sm | Fergusonite-beta-(Nd) | (Nd,Ce)NbO4 | 285.36 |
| 4.32 % Sm | Schuilingite-(Nd) # | PbCu(Nd,Gd,Sm,Y)(CO3)3(OH)·1.5(H2O) | 696.16 |
| 3.83 % Sm | Aluminocerite-(Ce) ! | (Ce,REE,Ca)9(Al,Fe+++)(SiO4)3[SiO3(OH)]4(OH)3 | 1,725.28 |
| 3.66 % Sm | Kozoite-(Nd) ! | (Nd,La,Sm,Pr)(CO3)(OH) | 205.20 |
| 2.41 % Sm | Levinsonite-(Y) ! | (Y,Nd,La)Al(SO4)2(C2O4)·12(H2O) | 623.48 |
| 2.38 % Sm | Percleveite-(Ce) ! | (Ce,La,Nd)2Si2O7 | 442.72 |
| 1.58 % Sm | Astrocyanite-(Ce) | Cu2(Ce,Nd,La)2(UO2)(CO3)5(OH)2·1.5(H2O) | 951.38 |
| 1.58 % Sm | Chukhrovite-(Nd) ! | Ca3(Nd,Y)Al2(SO4)F13·12(H2O) | 857.24 |
| 1.41 % Sm | Gatelite-(Ce) ! | (Ca,Ce,La,Nd)4(Al,Mg,Fe)4[Si2O7][SiO4]3(O,F,OH)3 | 1,067.70 |
| 1.29 % Sm | Uedaite-(Ce) ! | Mn++CeAl2Fe++(Si2O7)(SiO4)O(OH) | 584.87 |
| 1.04 % Sm | Hingganite-(Y) | Y2([ ])Be2Si2O8(OH)2 | 433.65 |
| 0.89 % Sm | Bussyite-(Ce) ! | (Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4 | 1,329.21 |
| 0.87 % Sm | Decrespignyite-(Y) ! | (Y,REE)4Cu(CO3)4Cl(OH)5·2(H2O) | 867.49 |
| 0.79 % Sm | Kozoite-(La) ! | La(CO3)(OH) | 190.98 |
| 0.73 % Sm | Francoisite-(Nd) | (Nd,Y,Sm,Ce)(UO2)3(PO4)2O(OH)·6(H2O) | 1,243.40 |
| 0.64 % Sm | Fluorcalciobritholite ! | (Ca,REE)5[(Si,P)O4]3F | 710.23 |
| 0.59 % Sm | Wakefieldite-(La) ! | LaVO4 | 253.60 |
| 0.59 % Sm | Fluorbritholite-(Ce) | (Ca,Ce,La,Na)5(SiO4,PO4)3(OH,F) | 769.69 |
| 0.56 % Sm | Paratooite-(La) ! | REE3(Ca,Sr)2NaCu(CO3)8 | 2,146.77 |
| 0.55 % Sm | Biraite-(Ce) ! | Ce2Fe++(CO3)(Si2O7) | 551.07 |
| 0.52 % Sm | Vanadoandrosite-(Ce) ! | (Mn++,Ca)(REE)V+++AlMn++(Si2O7)(SiO4)O(OH) | 580.77 |
| 0.50 % Sm | Moskvinite-(Y) ! | Na2K(Y,REE) [Si6O15] | 598.41 |
| 0.48 % Sm | Iwashiroite-(Y) ! | YTaO4 | 313.16 |
| 0.44 % Sm | Kuannersuite-(Ce) ! | Ba6Na2REE2(PO4)6FCl | 1,704.53 |
| 0.42 % Sm | Agardite-(Ce) ! | (Ce,Ca)Cu6(AsO4)3(OH)6·3(H2O) | 1,070.95 |
| 0.41 % Sm | Vastmanlandite-(Ce) ! | (Ce,La)3CaAl2Mg2[Si2O7][SiO4]3F(OH)2 | 1,094.51 |
| 0.40 % Sm | Qaqarssukite-(Ce) ! | Ba(Ce,REE)(CO3)2F | 379.62 |
| 0.39 % Sm | Samarskite-(Yb) ! | (Yb,Y,REE,U,Th,Ca,Fe++) (Nb,Ta,Ti)O4 | 312.29 |
| 0.34 % Sm | Tundrite-(Ce) | Na2Ce2TiO2(SiO4)(CO3)2 | 614.89 |
| 0.33 % Sm | Hingganite-(Ce) | (Ce,Ca)2([ ],Fe)Be2Si2O8[(OH),O]2 | 460.63 |
| 0.25 % Sm | Manganiandrosite-(Ce) ! | (Mn++,Ca)(Ce,REE)AlMn+++Mn++(Si2O7)(SiO4)O(OH) | 599.53 |
| 0.17 % Sm | Arapovite ! | (U,Th)(Ca,Na)2(K1-x[ ]x)Si8O20·H2O, x=0.5 | 897.66 |
| 0.14 % Sm | Plumboagardite ! | (Pb,REE,Ca)Cu6(AsO4)3(OH)6·3(H2O) | 1,097.39 |
| 0.13 % Sm | Diversilite-(Ce) ! | Na2(Ba,K)6Ce2Fe++Ti3Si12O36(OH)3(OH,H2O)9 | 2,272.68 |
| 0.10 % Sm | Piergorite-(Ce) ! | Ca8Ce2(Al0.5 Fe+++0.5)([ ],Li,Be)2Si6B8O36(OH,F)2 | 1,498.89 |
| 0.09 % Sm | Johnsenite-(Ce) ! | Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(CO3)(OH,Cl)2 | 3,374.09 |
| 0.08 % Sm | Cerite-(La) ! | (La,Ce,Ca)9(Mg,Fe+++)(SiO4)6[SiO3(OH)](OH)3 | 1,825.93 |
| 0.05 % Sm | Dissakisite-(La) ! | (Ca,Fe++,Th, La)(La,REE,Ca)(Al,Cr,Ti)2(Mg,Fe,Al)Si3O12(OH,F) with La > Ce | 551.33 |
( 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)