Good-sized Lump.   
This irregular, obviously mechanically formed lump, is from the irrepressible David Franco, supplier of only the highest purity elements,  financed by the ever-generous Ed Pegg.  It has conveniently rescued me from a very questionable representation of yttrium. 
Source: David Franco 
Contributor: Ed Pegg Jr 
Acquired: 16 August, 2002 
Price: $21 
Size: 0.5" 
Purity: 99.99%
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