However, pennys are now copper coated zinc. They changed that about twenty years ago but I forget which year. However you can tell the difference in an old and new penny by the weight and the change of sound when you drop one.
Howard Wu
Tom aka James Knudson <[EMAIL PROTECTED]> wrote:
Tom aka James Knudson <[EMAIL PROTECTED]> wrote:
Well I stand corrected, thanks, I was misinformed. : )
Thanks, Tom
Peregrineflier <><
The proudest member of the IMCA 6168
----- Original Message -----
From: Matson, Robert <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, September 22, 2003 9:13 PM
Subject: [meteorite-list] Nickel testing
> Hi Tom and List,
>
> > Hello All, Nickels do not contain Nickel any more. They stopped
> > that many a year ago..
>
> Today's nickels are still 25% nickel (75% copper), so they should
> still easily trigger a (working) nickel test. --R
>
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