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3D3DHunky lump.
Finally, a lump of actual pure neodymium. The stuff is everywhere in magnets, and it's not terribly expensive in that form, but it's not commonly found in pure form outside of chemical catalogs. I store this lump under mineral oil to protect it from oxidation.

I chose this sample to represent its element in my Photographic Periodic Table Poster. The sample photograph includes text exactly as it appears in the poster, which you are encouraged to buy a copy of.
Periodic Table Poster

Source: George (not 007) Lazenby
Contributor: George (not 007) Lazenby
Acquired: 20 November, 2002
Text Updated: 4 May, 2007
Price: Donated
Size: 0.75"
Purity: 99.99%