Lutetium [Lu] (CAS-ID: 7439-94-3) locate me
An: 71 N: 104 Am: 174.967 (1)
Group No: 3 
Block: d-block  Period: 6
State: solid at 298 K
Colour: silvery white Classification: Metallic
Boiling Point: 3675K (3402'C)
Melting Point: 1925K (1652'C)
Density: 9.841g/cm3
Shell Structure diagram | Atomic Radius diagram
Isotopes | More Info
Discovery Information
Who: Georges Urbain
When: 1907
Where: France
Name Origin
From Lutetia the ancient name of Paris.
Sources
Found with ytterbium in gadolinite and xenotime.
Uses
This element is very expensive to obtain in useful quantities and therefore it has very few commercial uses. Used in alloys and can be used as a catalyst in cracking, hydrogenation, polymerization and alkylation.
Notes
Because of the difficulty in producing pure lutetium it is one of the most expensive metals, costing around six times as much per gram as gold.
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