Diamonds
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The name
"diamond" comes
from the Greek
word "adamas",
meaning "the
unconquerable."
Diamond earned
this named as
the hardest
gemstone,
ranking a 10 on
the Mohs'
scale--the
highest rank
possible.
Diamond's
cutting
resistance is
140 times
greater than
ruby and
sapphire, the
next hardest
stones on the
scale.
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Recomened on: 13.Jan.2009
No Recommendation Found
