Mineral Species containing La,Ce,Pr,Nd,Sm (Eu )

Mineral Species containing La,Ce,Pr,Nd,Sm (Eu )
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La,Ce,Pr,Nd,Sm (Eu ) by %

Europium (Eu) Element Properties
Atomic Mass 151.965
Atomic Number 63
Name Origins Named after Europe.
Year Discovered 1901
Discovery Credits Discovered by E. A. Demarcay at Paris, France.
Remarks Rare, and most reactive for the rare earth metals. Soft, silvery metal which reacts quickly with oxygen and water. Little used. Some used in thin-film superconductor alloy.

Diagnostic tests: 
There are no simple diagnostic tests to identify europium.
X-ray fluorescence spectroscopy is commonly employed to identify and analyze members of the Rare-Earth group elements.

References Emsley, J., 1991; THE ELEMENTS : Sec. Ed., Clarendon Press, Oxford, 251 p.
See Also WebElements, ChemiCool
Naturally Occurring Isotopes
Symbol Isotope Mass Isotope Nuclide Number Isotope Number Natural Abundance Half-life Half-life Units Decay Mode Decay Mode MeV Decay Mode %
Eu 150.919847 63 131 47.8%   Stable      
Eu 151.921742 63 132 0.0% 13.4 Days b-,g 1.822 72%,28%
Eu 152.921225 63 133 52.2%   Stable      

Mineral Species sorted by the element Eu (Europium )

Click Here for Mineral Species Sorted By Mineral Name

%Eu Mineral Name Chemical Formula MW
0.89%Eu Proshchenkoite-(Y)  ! (Y,REE,Ca,Na,Mn)15Fe++Ca(P,Si)Si6B3(O,F)48 2,711.51
0.82%Eu Zajacite-(Ce)   Na(REExCa1-x)(REEyCa1-y)F6where(xney) 295.08
0.79%Eu Maoniupingite-(Ce)  ! (REE,Ca)4(Fe+++,Ti,Fe++,[])(Ti,Fe+++,Fe++,Nb)4Si4O22 1,228.90
0.74%Eu Calcybeborosilite-(Y)  ! (REE,Ca)2[](B,Be)2(SiO4)2(OH,O)2 437.09
0.68%Eu Calciogadolinite  ? CaREE(Fe+++)Be2Si2O10 474.11
0.66%Eu Kentbrooksite  ! (Na,REE)15(Ca,REE)6Mn++Zr3NbSi25O74F2•2(H2O) 3,900.86
0.66%Eu Abenakiite-(Ce)   Na26REE6(SiO3)6(PO4)6(CO3)6(S++++O2)O 2,928.18
0.64%Eu Hundholmenite-(Y)  ! (Y,REE,Ca,Na)15(Al,Fe+++)CaxAs+++1-x(Si,As+++++)Si6B3(O,F)48 2,521.06
0.60%Eu Thomasclarkite-(Y)  ! (Na,Ce)(Y,REE)(HCO3)(OH)3•4(H2O) 375.77
0.48%Eu Calcioburbankite   Na3(Ca,REE,Sr)3(CO3)5 597.04
0.38%Eu IMA2008-024  ! (Ca,Na,REE,[])7(Nb,Ti)[Si2O7]2OF3 841.27
0.37%Eu Khristovite-(Ce)   (Ca,REE)(Ce,REE)(Mg,Fe,Cr,Ti,V,Al)Mn++Al(SiO4)(Si2O7)(OH)(F,O) 610.88
0.35%Eu IMA2009-001   Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4(BO3)9O22[(OH),F]43(H2O)1.5 4,586.47
0.35%Eu Dissakisite-(Ce)   Ca(Ce,REE)(Mg,Fe++)(Al,Fe+++)2Si3O12(OH) 599.36
0.34%Eu Trimounsite-(Y)   (Y,REE)2Ti2SiO9 475.18
0.31%Eu Hellandite-(Y)   (Ca,REE)4(Y,Ce)2(Al,[])2[Si4B4O22](OH)2 1,029.47
0.30%Eu Kamphaugite-(Y)   (Ca1.84REEx)(Y1.46REE0.54-x)(CO3)4(OH)1.65•2(H2O) 585.44
0.30%Eu Nioboaeschynite-(Y)  ! [(Y,REE),Ca,Th,Fe](Nb,Ti,Ta)2(O,OH)6 368.70
0.29%Eu Hellandite-(Ce)  ! (Ca3REE)4Ce2Al[]2[Si4B4O22](OH)2 1,114.02
0.28%Eu Agardite-(Ce)  ! (Ce,Ca)Cu6(AsO4)3(OH)6•3(H2O) 1,070.95
0.28%Eu Strontiochevkinite   (Sr,REE)4Fe(Ti,Zr)2Ti2Si4O22 1,140.23
0.28%Eu Gerenite-(Y)  ! (Ca,Na)2(Y,REE)3Si6O18•2(H2O) 872.18
0.23%Eu IMA2009-005   (Y,Ca,REE)5[(Si,P)O4]3F 696.25
0.23%Eu Ciprianiite  ! Ca4[(Th,U)(REE)]2(Al,[])2[Si4B4O22](OH,F)2 1,032.51
0.17%Eu Arapovite  ! (U,Th)(Ca,Na)2(K1-x[ ]x)Si8O20•H2O, x=0.5 897.66
0.14%Eu Kuliokite-(Y)   (Y,REE)4Al(SiO4)2(OH)2F5 706.82
0.12%Eu Cerotungstite-(Ce)   (Ce,REE)W2O6(OH)3 655.80
0.09%Eu Bussyite-(Ce)  ! (Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4 1,329.21
0.09%Eu Bijvoetite-(Y)   (Y,REE)8(H2O)25(UO2)16O8(OH)8(CO3)16•14(H2O) 7,068.68
0.07%Eu Mckelveyite-(Nd)  * (Ba,Sr)(Ca,Na,Nd,REE)(CO3)2•3-10(H2O) 456.93
0.06%Eu Miserite   K1.5-x(Ca,Y,REE)5[Si6O15][Si2O7](OH,F)2•yH2O 933.24
0.06%Eu Georgbarsanovite  ! Na12(Mn,Sr,REE)3Ca6Fe++3Zr3NbSi25O76Cl2•H2O 3,297.19
0.05%Eu Kapitsaite-(Y)  ! (Ba,K,Pb,Na)4(Y,Ca,REE)2[Si8B2(B,Si)2O28F] 1,419.80
0.04%Eu Mckelveyite-(Y)   NaCa(Ba,Sr)3(Y,REE)(CO3)6•3(H2O) 971.59

(* - Mineral Name Is Not IMA Approved)
(! - New Dana classification added or changed from Danas New Mineralogy)
(? - IMA Discredited Mineral Species Name)

There are 34 minerals with Eu in the Mineralogy Database.
  • Actinium
  • Aluminum
  • Americium
  • Antimony
  • Argon
  • Arsenic
  • Astatine
  • Barium
  • Berkelium
  • Beryllium
  • Bismuth
  • Boron
  • Bromine
  • Cadmium
  • Calcium
  • Calfornium
  • Carbon
  • Cerium
  • Cesium
  • Chlorine
  • Chromium
  • Cobalt
  • Copper
  • Curium
  • Dysprosium
  • Einsteinium
  • Erbium
  • Europium
  • Fermium
  • Fluorine
  • Francium
  • Gadolinium
  • Gallium
  • Germanium
  • Gold
  • Hafnium
  • Hahnium
  • Helium
  • Holmium
  • Hydrogen
  • Indium
  • Iodine
  • Iridium
  • Iron
  • Krypton
  • Lanthanum
  • Lead
  • Lithium
  • Lutetium
  • Magnesium
  • Manganese
  • Mendelevium
  • Mercury
  • Molybdenum
  • Neodymium
  • Neon
  • Neptunium
  • Nickel
  • Niobium
  • Nitrogen
  • Nobelium
  • Osmium
  • Oxygen
  • Palladium
  • Phosphorus
  • Platinum
  • Plutonium
  • Polonium
  • Potassium
  • Praeseodymium
  • Promethium
  • Protactinium
  • Radium
  • Radon
  • Rhenium
  • Rhodium
  • Rubidium
  • Ruthenium
  • Samarium
  • Scandium
  • Selenium
  • Silicon
  • Silver
  • Sodium
  • Strontium
  • Sulfur
  • Tantalum
  • Technetium
  • Tellurium
  • Terbium
  • Thallium
  • Thorium
  • Thulium
  • Tin
  • Titanium
  • Tungsten
  • Uranium
  • Vanadium
  • Xenon
  • Ytterbium
  • Yttrium
  • Zinc
  • Zirconium

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