List of useful equipment to test gold bullion/coins

[Mox]

For gold and silver bars and coins: Scales, plastic container, water, piece of cotton, pen and paper and a calculator for Specific Gravity test.

For silver bars and coins: Neodyminium magnet for slide test.

For silver (mainly coins): Ears and a coin of proven silver for comparing the noise made when you drop the coin on a table or whatever

For large quantities of gold, silver etc: Sigma tester

For people who have more money than sense or work in the industry and need to test multiple times on a daily basis: XRF gun

Edited April 3, 2022 by Mox

[goldsilverdash]

1 hour ago, Mox said:

For silver bars and coins: Neodyminium magnet for slide test.

I asked this above, but never got an answer: how does one know if a particular magnet is good for the purpose of testing silver? It can't be just any old magnet, as I understand it, but needs to be of a specific type, strength, size?

[Mox]

On 03/04/2022 at 15:44, goldsilverdash said:

I asked this above, but never got an answer: how does one know if a particular magnet is good for the purpose of testing silver? It can't be just any old magnet, as I understand it, but needs to be of a specific type, strength, size?

If i can find mine i will send a pic. 

[Mox]

This is my neodymium magnet which can lift 12.1 kg. When you slide it down silver it is slightly slower than if you slide it down a metal that is not magnetic. Comes in a metal case for shielding, shouldn’t be handled much or put in pocket as it can react to the iron in your blood.

Edited April 5, 2022 by Mox

[James32]

11 minutes ago, Mox said:

This is my neodymium magnet which can lift 12.1 kg. When you slide it down silver it is slightly slower than if you slide it down a metal that is not magnetic. Comes in a metal case for shielding, shouldn’t be handled much or put in pocket as it can react to the iron in your blood.

Same as mine, the power in it for something relatively small is remarkable. 

 

[goldsilverdash]

4 hours ago, Mox said:

This is my neodymium magnet which can lift 12.1 kg. When you slide it down silver it is slightly slower than if you slide it down a metal that is not magnetic. Comes in a metal case for shielding, shouldn’t be handled much or put in pocket as it can react to the iron in your blood.

That's interesting, thank you! I might consider buying one like this, if I can find one.

[modofantasma]

What about a classic sovereign balance?

I'd love some of the experts to chip in and correct me or add anything I've missed but left to my own devices I guess it checks 3 things, the weight, diameter and thickness of either half or full sovereigns 

Weight and diameter like so

And thickness through this slot