Lutetium (lew-tee-shee-əm)
is a chemical element with the symbol Lu and it has an
atomic number of 71. The atomic weight is 174.9668.
Things you might not know about
Lutetium:
- The world production of lutetium (in the form
of oxide) is about 10 tons per year.
- Lutetium-176 has been used to date
meteorites.
- Stable lutetium can be used as catalysts in
petroleum cracking in refineries.
See GC2XAY2 - Hydrogen, for an explanation
about this series of caches.