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Diamond

A gemstone and the hardest mineral known.

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A Quick Tip by Sharrie

  • Mar 31, 2010
Every woman should have a piece or two of this jewelry. I still own a pendant & a ring bought with my 1st year pay.
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More Diamond reviews
review by . March 31, 2010
posted in All That Glitters
A girl's best friend?!
It's been said diamond is forever and is a girl's best friend. After having seen some of the divorces in the world and some of the biggest investment banks gone bust, I think I'd consider diamond a friend indeed! Out of the many investments I hold, it is diamond that's constantly by my side. Well, because I wear it daily, that's why. It's just a small pendant but it does keep me company all day long, even in my shower! :-) [Now, stop your imagination from running wild!!!]   …
Quick Tip by . October 13, 2009
posted in All That Glitters
Diamonds are forever & a girl's best friend! While her love for a man may not last, diamond does! ;-) Very funny!
About the reviewer
Sharrie ()
Ranked #3
I'm a traveler at heart & have been nicknamed Travel Queen by friends & colleagues alike. Traveling has been my life passion for the last decade or so. As we enter a new decade, I'm excited … more
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Wiki

 In mineralogy, diamond (from the ancient Greek adámas, meaning "proper" or "unalterable") is an allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal structure called a diamond lattice. Diamond is the second most stable form of carbon, after graphite; however, the conversion rate from diamond to graphite is negligible at ambient conditions. Diamond is specifically renowned as a material with superlative physical qualities, most of which originate from the strong covalent bonding between its atoms. In particular, diamond has the highest hardness and thermal conductivity of any bulk material synthesized so far. Those properties determine the major industrial application of diamond in cutting and polishing tools.

Diamond has remarkable optical characteristics. Because of its extremely rigid lattice, it can be contaminated by very few types of impurities, such as boron and nitrogen. Combined with the wide transparency, this results in clear, colorless appearance of most natural diamonds. Small amounts of defects or impurities (about one per million of lattice atoms) color diamond blue (boron), yellow (nitrogen), brown (lattice defects), green, purple, pink, orange or red. Diamond also has relatively high optical dispersion, that is ability to disperse light of different colors, ...

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