Have you ever tested your gold and silver with X Ray fluorescence spectrometer?

[FreyaRed]

X Ray fluorescence spectrometer can measure surface of alloys for its composition. It's often used in industry for quick surface tests. Of course the biggest disadvantage is XRFS' inability to look inside a work piece, however there are other magnetic detectors which recognize precious metals on its behavior in a magnet field.

We have such device in prosthetic workshop and I checked my gold jewelry. All of them didn't contain amount of gold or like engraving depicted. It was always less, especially 585 Gold (58,5%) commonly used in jewelry here.
Someone brought 999 (99,9%) gold coins which contained only 91-95% of gold.
With silver it was less concerning

If you want invest in gold be careful. Not everything golden is gold or just gold coated.

X Ray fluorescence spectrometer

[Kvass]

Nope ignorance is bliss. I'd rather not see the result telling me I got cooked. My jewels are still shiny, that's enough info for me.

[FreyaRed]

I remember evening in hot nightclub when I was sweaty and silver baubles I had on left dark traces on my skin. It was copper inside of "silver"

[NathanDavis]

I do have a watch that's supposed to have gold in it... but I am not into jewelry, I am definitely not into watches... so I really don't know, I have not checked that out either

there's certificates, the box and all that... so, I just have those stored, as they were gifts, lol

[exitseven]

No, but if I invested in gold I would do that j

[FreyaRed]

I would even buy one if I would invest in precious metals.