1968 canadian dimes

[whitesid]

i got 2 1968 Canadian dimes today at the coin store. i was wondering how you tell the difference between the silver ones and the nickel ones?

 

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[ferrabi]

do the magnet test.

if it sticks to the magnet then its made out of nickel. if it doesn't stick to a magnet then its made out of silver

hope its silver

 

[whitesid]

i did and they don't stick to a magnet. but doesn't nickel also not stick to a magnet?

 

[goldencoin]

nickel is one of the three metals that stick to magnets, you need to pay attention in chemistry

HH
-GC

 

[whitesid]

O
ok so iron and nickel sticks to a magnet, what is the third?

 

[TT]

You could always here the distinctive silver ring when dropped on the table. The nickel composition will sound completely different.

 

[TT]

The third would be cobalt along with the alloys of all three.
Of course there is much more to it, but this is suffice for our CRHing purposes.

 

[Immy]

And anticipating the next question...

US nickels don't stick to magnets because they're only 25% nickel. Anything less than 80% nickel in an alloy is nonmagnetic.

 

[goldencoin]

...unless the magnet is especially strong..... (isn't this fun?)

HH
-GC

 

[Sheldius]

...unless the magnet is especially strong..... (isn't this fun?)

HH
-GC

But how much stronger? 65%? I didn't pay attention in my Physics class either.

HH.

 

[whitesid]

yeah i was wondering how high to. i have one of those high power magnets.