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The mineralogy of Lutetium

General Properties
Atomic Number:71
Standard atomic weight (Ar):174.9668(1)
Electron configuration:[Xe] 4f14 5d1 6s2
Atomic Properties
Electronegativity (Pauling scale):1.27
Atomic Radius:217 pm
Ionic Radius:86.1 pm (+3)
1st Ionization energy:524 kJ/mol
1st Electron affinity:-50 kJ/mol
Oxidation States:3
Physical Properties
Standard State:solid
Bonding Type:metallic
Melting Point:1936 K
Boiling Point:3675 K
Density:9.84 g/cm3
Metal/Non-Metal:transition metal
Main isotopes of Lutetium
Isotope% in NatureHalf LifeDecay typeDecay product
175Lu97.41%-α ?171Tm
Main ions of Lutetium
NameIonExample minerals
Other Information
Year Discovered:1906
Discovered By:
Georges Urbain
Karl Auer von Welsbach (1858-1929)

Georges Urbain and Carl Auer von Welsbach
Year Isolated:1906
Isolated By:Carl Auer von Welsbach
Named For:
Latin: Lutetia - the city of Paris
CPK color coding:#00AB24
External Links:WikipediaWebElementsLos Alamos National LaboratoryTheodore Gray's
Simple Compounds
Nitridesdilutetium trinitrideLuN+3
Sulfidesdilutetium trisulphideLu2S3+3
Telluridesdilutetium tritellurideLu2Te3+3
Fluorideslutetium trifluorideLuF3+3
Chlorideslutetium trichlorideLuCl3+3
Iodideslutetium triiodideLuI3+3
Oxidesdilutetium trioxideLu2O3+3
Niobates/Tantalateslutetium tantalateLuTaO4+3
Geochemistry of Lutetium
Goldschmidt classification:Lithophile
Lu3+ was one of the ions least depleted from the mantle in the formation of the crust.
Lu3+ is enriched in Ca-Al-rich inclusions in meteorites relative to the composition of the solar system.
Lu3+ is concentrated in residual soils and sediments (less certainty.)
Elemental Abundance for Lutetium
Crust (CRC Handbook)8 x 10-7mass fraction, kg/kg
Crust (Kaye & Laby)8 x 10-7mass fraction, kg/kg
Crust (Ahrens/Taylor)3.00 x 10-7mass fraction, kg/kg
Crust (Ahrens/Wänke)5.76 x 10-7mass fraction, kg/kg
Crust (Ahrens/Weaver)2.30 x 10-7mass fraction, kg/kg
Upper Crust (Ahrens/Taylor)3.20 x 10-7mass fraction, kg/kg
Upper Crust (Ahrens/Shaw)2.30 x 10-7mass fraction, kg/kg
Sea Water (CRC Handbook)1.5 x 10-13mass per volume fraction, kg/L
Sea Water (Kaye & Laby)1.5 x 10-13mass per volume fraction, kg/L
The Sun (Kaye & Laby)1.5 x 10-7atom mole fraction relative to Si=1
Solar System (Kaye & Laby)3.7 x 10-8atom mole fraction relative to Si=1
Solar System (Ahrens)3.67 x 10-8 (1.3%)atom mole fraction relative to Si=1 (% uncertainty)
Periodic Table
1H 2He
3Li 4Be 5B 6C 7N 8O 9F 10Ne
11Na 12Mg 13Al 14Si 15P 16S 17Cl 18Ar
19K 20Ca 21Sc 22Ti 23V 24Cr 25Mn 26Fe 27Co 28Ni 29Cu 30Zn 31Ga 32Ge 33As 34Se 35Br 36Kr
37Rb 38Sr 39Y 40Zr 41Nb 42Mo 43Tc 44Ru 45Rh 46Pd 47Ag 48Cd 49In 50Sn 51Sb 52Te 53I 54Xe
55Cs 56Ba 57La 72Hf 73Ta 74W 75Re 76Os 77Ir 78Pt 79Au 80Hg 81Tl 82Pb 83Bi 84Po 85At 86Rn
87Fr 88Ra 89Ac 104Rd 105Db 106Sg 107Bh 108Hs 109Mt 110Ds 111Rg 112Cn 113Nh 114Fl 115Mc 116Lv 117Ts 118Og
58Ce 59Pr 60Nd 61Pm 62Sm 63Eu 64Gd 65Tb 66Dy 67Ho 68Er 69Tm 70Yb 71Lu
90Th 91Pa 92U 93Np 94Pu 95Am 96Cm 97Bk 98Cf 99Es 100Fm 101Md 102No 103Lr
Default Categories CPK Electronegativity Atomic Radius Lowest Oxidation Highest Oxidation Crustal Abundance Goldschmidt Mineral Species
Ytterbium << Lutetium >> Hafnium

Spotted a mistake/omission? - These pages are a work in progress, so please send all comments/corrections to Thank you.

Constants and physical property data from:

David R. Lide (ed.), CRC Handbook of Chemistry and Physics, 85th Edition. CRC Press. Boca Raton, Florida (2005).
Kaye and Laby Tables of Physical & Chemical Constants (2005). Section 3.1.3, Abundances of the elements
A. Earnshaw, N. Greenwood, Chemistry of the Elements, 2nd edition, Butterworth-Heinemann, (1997)
Thomas J. Ahrens (ed.), Global Earth Physics : A Handbook of Physical Constants, American Geophysical Union (1995)
L.B. Railsback, An Earth Scientist's Periodic Table of the Elements and Their Ions : Geology 31:9 p737-740 (2003)
Emsley, J. Nature's Building Blocks: An A-Z Guide to the Elements. New York: Oxford University Press (2001)
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