Rubbing it on a jewelry polishing clothwill show if there is oxidation on silver looking pieces. Sterling silver is an alloy of silver and copper - the latter easily tarnishes. Several of this tarnished collection left to me did leave marks. However, the magnet test (I usedmy fridge magnet ...
Knowing how to spot a piece of gold or silver jewelry at the thrift store could mean the difference between a real steal and a bad deal. Luckily, regulations in the jewelry market require all jewelers to label each piece with identifying marks. These marks provide information about the gold ...