  Platinum crucible. 
This is old platinum labware, a thin-walled cup used to hold something very corrosive (if whatever was in it wasn't very corrosive, it would have been put into something less expensive). 
Source: Anonymous 
Contributor: Anonymous 
Acquired: 8 March, 2008 
Text Updated: 8 March, 2008 
Price: Donated 
Size: 1" 
Purity: 99.99%
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