At 04:56 PM 11/7/96 +1200, you wrote:
Normally anything which has a specific gravity (density) greater than water
float. *BUT* I used to get Boy Scouts to rub a needle gently over a
candle, wipe it with their scarf(!!) and place it gently on a saucer of
water, when they saw that although it was steel, it DID float. If they
magnetised it first by stroking it with a magnet it became an El Cheepo
compass. SO: you can do that with diamonds too - if you *really* want.
But I insisted that they tell me WHY it floated!
/ / John Burgess
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The specific gravity of a diamond is 3.51 . I finally went and opened a