Magnet | |||
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Magnet. Several different rare earths are used, typically in combination with iron, cobalt, or boron, to make very strong magnets. Neodymium-iron-boron magnets are stronger than this samarium-cobalt magnet, but it's still a pretty nice magnet for its size. Source: Ed Pegg Jr Contributor: Ed Pegg Jr Acquired: 20 November, 2002 Price: Donated Size: 0.4" Purity: <30% | |||
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