Look for a hallmark.. Look for fading around the edges of the piece.. Look for spotting on the piece's surface.
Look for a hallmark.
Look for fading around the edges of the piece.
Look for spotting on the piece's surface.
Place a magnet against the potential gold item.
Apply some vinegar to the surface and look for a color change.
Rub your gold against a jeweler's stone.
Rub your gold across a ceramic plate.
Test your gold against liquid foundation makeup.
Use an electronic gold tester.
Insert your gold into an XRF machine.
Take your gold to an assayer.
Buy an acid testing kit for a more precise estimate of gold karat purity.
Inspect the needles for karat value labels.
Make a notch with an engraving tool.
Put on protective gloves and goggles.
Place a drop of acid on the notch.
Read the results.
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