yet another decent article on gold testing

[4metals]

I found this article in an old Gold Bulletin from 1981. It gives mixtures for gold on the stone which are different from Hoke and standard tests. Have any members tried these formulations?

 

[Irons]

I found this article in an old Gold Bulletin from 1981. It gives mixtures for gold on the stone which are different from Hoke and standard tests. Have any members tried these formulations?

Very interesting. 8)

 

[butcher]

thanks