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MAGNETS QUESTION: WHAT ARE ELEMETNTAL MAGNETS RARE ELEMENTAL MAGNETS A RARE EARTH MAGNETS ARE A STRONG PERMANENT MAGNET DEVELOPED IN THE 1970s AND 1980s • THEY ARE MADE FROM ALLOYS OF RARE EARTH ELEMANTS • THEY ARE THE STRONGEST TYPE OF PERMANENT MAGNETS PRODUCING STRONGER MAGNETIC FIELD THAN FERRITE AND ALNICO MAGNETS • THERE ARE TWO TYPES OF RARE EARTH MAGNETS • NEODYMIUM MAGNETS • SAMARIUM COBALT MAGNETS • RARE EARTH MAGNETS ARE EXTREMLY BRITTLE AND VULNERABLE TO CURROSION • THEY ARE USSUALY PLATED OR COTED FROM DAMAGE • THE DEVELOPMET OF THE MAGNETS BEGAN IN 1966 • they are very rare