Show sample as: 72-frame QuickTime VR or 360-frame QuickTime movie loop.    My periodic table poster is now available! Lumps. These are smooth lumps that look like they've been melted. Click the source link for an interesting story about where this sample came from. Source: Tryggvi Emilsson and Timothy Brumleve Contributor: Tryggvi Emilsson and Timothy Brumleve Acquired: 6 September, 2002 Price: Donated Size: 0.75" Purity: >99%