My periodic table poster is now available! Precipitated crystalline silver. This is pure silver that was precipitated out of solution in the form of crystals. I received this sample when Tryggvi and Timothy came to my sodium party. Source: Tryggvi Emilsson and Timothy Brumleve Contributor: Tryggvi Emilsson and Timothy Brumleve Acquired: 21 September, 2002 Price: Donated Size: 0.5" Purity: 99.9%