Mineralogy Database

Mineral Species containing Erbium (Er)

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Element Properties, Isotopic Compositions for Erbium

Erbium (Er) Minerals sorted by Descending Weight Percent

Click here for List sorted by Mineral Name

10 Minerals containing Erbium (Er) sorted by Descending Weight Percent
% 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)