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YouTubeDonGilded
The 2,700-Year-Old Trick to Spotting Fake Gold
How do you verify precious metals without modern technology? The answer is a touchstone. By comparing the streak left by a piece of gold to known standards, you can quickly identify impurities or base metals. Here is a breakdown of how this simple, down-to-earth method has been catching counterfeits since 700 BC. #goldtesting #preciousmetals # ...
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