April Birthstone Diamond
Birthstone: Diamond
Moh's hardness: 10
Specific Gravity: 4.1
Color: Colorless, yellow,orange, brown, black
rarely red, blue, green, pink and purple
Chemical Composition: C, crystallized carbon
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Diamonds are the hardest substance on earth. They are more brilliant than any other natural gem. Their fire, durability, and rarity make them the most prized of gems.
The most popular diamonds are colorless. However, most diamonds have a light tint, usually yellowish or brownish. Yellow diamonds as of recently have gained popularity and are commonly available. Perfectly clear diamonds are much more valuable than tinted diamonds. Very rarely, diamond occurs in deep hues of red, blue, and green. Such diamonds, known as "fancies", are extremely valuable.
Only 20 percent of mined diamonds are used in jewelry, as most are unsuitable.
A flawless diamond is exceptional, even diamonds used as gems contain flaws.
A grading system instituted by the GIA (Gemological Institute of America), was implemented to evaluate diamonds based on their clarity. Three additional evaluation systems were devised by the GIA. This leads to the four attributes, known as "the four C's", in which diamonds are evaluated. The four C's are, Color, Cut, Clarity, and Carat weight.
Many gems resemble diamond. However, only few have a luster and fire similar to diamond. The closest to the Diamond is the created Moissanite.
1 comment:
Diamond is beauty and is a perfect symbol of love. Diamond is proved to possess lots of psycological values like enhancing relationship, strengthning personal values and so on.
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