Invisible wrote:
> John VanSickle wrote:
> 
>> A Troy ounce is 480 grains.  There are 7000 grains in a pound.  This 
>> makes a Troy ounce about 31.1 grams or so.
> 
> Right. So 31.1 grams of gold is... a pretty tiny volume, I would think.

Gold's density is around 19.2 g/cm^3, and so a troy ounce of gold is 
about 1.6 cm^3, which is about the volume of four and a half American 
pennies.  Not a bad way to carry around a few hundred dollars in value. 
  Just don't lose it.

Regards,
John

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