Natural Diamonds

Diamond Types

 

Diamonds are classified broadly under the categories of Natural Diamond, Synthetic Industrial Diamond and Thin Film Diamonds on the basis of their process of origination.

Diamonds remain to be the most fascinating gift that a woman can ever dream about. The word “diamond” is derived from a Greek word “adamas” which stands for “invincible”. Due to its atomic structure, diamond is the hardest natural matter. This expensive and translucent gem is made of carbon.

 

Diamonds can be scientifically classified into 4 types, known as type 1a, 1b, 2a, and 2b.
Diamonds are made of carbon, and are extremely pure, but in almost all diamonds there are tiny proportions of other elements, interspersed within the carbon as part of their crystal structure. These “impurities” are not what are known as inclusions, and are so small as to be invisible even under a very powerful microscope.

Type 1 Diamonds
Type 1 diamonds contain nitrogen. About 98% of all diamonds are type 1a

Type 1a
If the nitrogen atoms are clustered together within the carbon lattice, then the diamond is said to be a Type 1a diamond. Because these diamonds absorb blue light, they can have a pale yellow or brown color. 98% of diamonds are Type 1a.

Type 1b
If the nitrogen atoms are evenly spread out throughout the carbon lattice, then the diamond is said to be a Type 1b diamond. These diamonds absorb green light as well as blue light, and have a darker color than type 1a diamonds. Depending on the precise concentration and spread of the nitrogen atoms, these diamonds can appear deep yellow (“canary”), orange, brown or greenish. Less then 0.1% of diamonds belong to Type 1b.

Type 2
Type 2 are diamonds that absorbed no, or very few, nitrogen atoms.

Type 2a
These diamonds can be considered as the “purest of the pure” – they contain no, or minuscule amounts of impurities and are usually colorless. Unless, that is, the carbon tetrahedrons that make up the diamond were twisted and bent out of shape while the diamond rose to the surface of the earth. An imperfect carbon lattice will make the diamond absorb some light, which will give it a yellow, brown or even pink or red color. 1-2% of diamonds belong to Type 2a.

Type 2b
These diamonds contain no nitrogen – but they do contain boron, which absorbs red, orange and yellow light. These diamonds therefore usually appear to be blue, although they can also be grey or nearly colorless. All naturally blue diamonds belong to Type 2b, which makes up 0.1% of all diamonds.

About the Author

Addie Jakson is 25 years old, article writer by education because she loves to. In addition to writing about fashion, she is a specialist of writing articles for studs’ jewelry. She is known for great articles for studs’ jewelry. www.diamondstudsofamerica.com

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