http://moneymorning.com/2013/01/02/seve ... unterfeit/
The Fisch tester isn't mentioned, but it's a good survey on how to check things.
seven ways to tell if your gold is counterfeit
Moderator: Global Moderator
Re: seven ways to tell if your gold is counterfeit
Missed out on the ring test (audio spectrum) and magnet slide (induced electromagnetism) talked about before:
http://gyroscopicinvesting.com/forum/ht ... ic.php?t=8
http://gyroscopicinvesting.com/forum/ht ... ic.php?t=6
http://gyroscopicinvesting.com/forum/ht ... ic.php?t=8
http://gyroscopicinvesting.com/forum/ht ... ic.php?t=6