  High purity cadmium.
When you reach the rarefied levels of purity represented by four or five nines, many metals become smooth, shiny, and crystalline. Generally speaking, the higher the purity, the bigger the crystals (cooling rate also effects crystal size, but as a general rule without high purity you can't get big crystals). This bar was hand made by Heinrich Pniok, owner of probably the finest collection of very high purity elements, and now a supplier to the element hobby. The large crystal facets are very unusual for cadmium, which is normally a dull, grayish metal in is common low-purity form.
Source: Heinrich Pniok
Contributor: Theodore Gray
Acquired: 31 July, 2004
Text Updated: 11 August, 2007
Price: $70
Size: 1.5"
Purity: 99.999%
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