Show sample as: 72-frame QuickTime VR or 360-frame QuickTime movie loop.    My periodic table poster is now available! Beautiful crystals. These are probably electrodeposition crystals, though they may be vapor deposited. Very shiny, my prettiest chromium sample for sure. Source: Juan Jimenez Contributor: Juan Jimenez Acquired: 12 May, 2007 Text Updated: 12 May, 2007 Price: Donated Size: 1" Purity: >99.9%