| | |   Arc-melted magnetic alloy. Description supplied by the source:
 This is another arc-melted button of a particular alloy of iron-cobalt slated to be used for magnetism research. I chose to send you this particular sample because of the beautiful surface and crystal grains visible.
 Source: Ethan Currens
 Contributor: Ethan Currens
 Acquired: 21 March, 2008
 Text Updated: 30 April, 2008
 Price: Anonymous
 Size: 1.5"
 Composition: FeCo
 | 
 |   | 
 |