Neodymium iron boron magnet
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Neodymium iron boron magnets, commonly referred to as neodymium magnets, are magnets made with a sintered alloy of neodymium, iron, and boron. They produce the highest commercially available magnetic fields (approximately 1 tesla) and make paramagnetism and diamagnetism in materials far more visible than most other magnets. They are also a common source of neodymium because they are relatively easy to obtain from different everyday objects. Due to their high field strengths large neodymium magnets may cause damage to objects if they are allowed near ferromagnetic materials, and can break bones easily.
Properties
Extracting neodymium from magnets
Is difficult for the home chemist. Witness the epic that is The trouble with Neodymium thread.
