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D
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   71    

71 Lu Lutetium

Lanthanoid, mass: 174.97 u, 1 stable isotope (175), abundance rank (earth/space): 66/80

Click image to magnify. Ultrapure piece of lutetium, 3 grams. Original size in cm: 1 x 1
Lutetium Piece of lutetium
Lutetium is the last of the lanthanoids, the hardest of them, the one with the smallest atomic diameter, the rarest stable after thulium and the one which is most difficult to extract. Therefore it is rather expensive and is scarcely used. The natural occuring, radioactive 176Lu, which has a half-life of 38 billion years, is used to determine the age of meteorites.

Lutetium same piece


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The images are licensed under a Creative Commons Attribution 3.0 Unported License, unless otherwise noted. Attribution by linking (outside of the internet credit with url) to the according element page.



 


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