  High purity crystal crust.
Comment from Ethan, the source of this lovely vacuum distilled terbium: "This is crystalline distilled terbium, from ~25 years ago, before China had taken over the rare earth industry. This would have been very expensive back then."
Source: Ethan Currens
Contributor: Ethan Currens
Acquired: 2 December, 2007
Text Updated: 3 December, 2007
Price: Donated
Size: 1.25"
Purity: 99.99%
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