This EASY to use genuine RARE EARTH N35 NEODYMIUM EARTH MAGNET will determine the purity of Gold Jewelry, scrap, bars, coins, and much more! This
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This EASY to use genuine JSP kit will help you test the karat value of gold. Simply apply a drop of the acid to your jewelry/item and watch the
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Neodymium magnets are all graded by the material they are made of. As a very general rule, the higher the grade (the number following the 'N'), the
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