Show sample as: 72-frame QuickTime VR or 360-frame QuickTime movie loop.    My periodic table poster is now available! 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%