Ordinary light bulb.
Exotic light bulbs are filled with xenon or krypton, but ordinary everyday ones are filled with argon, because it's cheap. This one happens to be a burned out bulb from a microscope, I'm using it just because it's the right size to fit in the table.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 15 April, 2002
Price: Donated
Size: 1.5"
Purity: >90%
Sample Group: Light Bulbs
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