Avatar Posted by Finansoff 83 days ago (http://www.articlebin.com)
Category: World & Business
The word "Diamond" comes from the greek word "Adamas", which means indestructible. It is the only gem known to man that is made of a single element, Carbon, besides graphite. Diamond is completely made of Carbon atoms (Chemical Composition - 'C') crystallized in a cubic (isometric) arrangement. Diamond is the hardest substance on Earth. Diamond crystallizes in the isometric (cubic) system, and regularly forms cubes and octahedral.

Diamond form between 120-200 kms or 75-120 miles below the ear more...
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