Erbium (Er) Minerals sorted by Descending Weight Percent
Click here for List sorted by Mineral Name
| % Er | Mineral Name | Chemical Formula | MW |
| 4.44 % Er | Yftisite-(Y) ? | (Y,Dy,Er)4(Ti,Sn)O(SiO4)2(F,OH)6 | 753.13 |
| 3.11 % Er | Samarskite-(Yb) ! | (Yb,Y,REE,U,Th,Ca,Fe++) (Nb,Ta,Ti)O4 | 312.29 |
| 2.43 % Er | Adamsite-(Y) ! | NaY(CO3)2·6(H2O) | 344.24 |
| 2.12 % Er | Decrespignyite-(Y) ! | (Y,REE)4Cu(CO3)4Cl(OH)5·2(H2O) | 867.49 |
| 1.60 % Er | Iwashiroite-(Y) ! | YTaO4 | 313.16 |
| 1.54 % Er | Hingganite-(Y) | Y2([ ])Be2Si2O8(OH)2 | 433.65 |
| 1.12 % Er | Moskvinite-(Y) ! | Na2K(Y,REE) [Si6O15] | 598.41 |
| 0.80 % Er | Yakovenchukite-(Y) ! | K3NaCaY2(Si12O30)·4H2O | 1,256.79 |
| 0.24 % Er | Fluorcalciobritholite ! | (Ca,REE)5[(Si,P)O4]3F | 710.23 |
| 0.03 % Er | 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)