Blobs. 
I made these blobs during a photo shoot for one of my Popular Science magazine articles to demonstrate the fact that pure aluminum has a very high surface tensions (resulting in rounded blobs, rather than the runny puddles you get with metals like tin). 
Source: Theodore Gray 
Contributor: Theodore Gray 
Acquired: 15 July, 2004 
Price: Donated 
Size: 2" 
Purity: >95%
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