| | |   High-purity calcium nodules. Nodules of very high-purity, completely un-oxidized calcium metal in an argon-filled ampule.
 Source: Anonymous
 Contributor: Anonymous
 Acquired: 31 October, 2009
 Text Updated: 31 October, 2009
 Price: Donated
 Size: 3"
 Purity: >99.9%
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