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The following article was published in our article directory on January 2, 2012.
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Getting to Know Gem Stones

Article Category: Fashion

Author Name: chickie maxwell

There are a lot of different types of gem stones and in order to appreciate% value them thoroughly, you need to be able to see the value behind the stone. There are a lot of different aspects that need to be in order to see the beauty of a gem stone. There are numerous ways to classify a gem stone such as whether they are precious or semi-precious or through the chemical composition that makes up the gem itself.

If you are looking to buy gem stones, it would be best to know how these gems are classified because this would help in determining the actual value of the stone. Otherwise% Or else, you might see yourself with worthless items if you do not educate yourself.

Since nowadays there already is a specific field of study dedicated to gem stones it would be much easier to make the between the different stones. Although this was not the case in the ancient times since there were no state of the art technology that can be used for these they mainly determining stones based on physical appearances.

The quality and rarity of the stone were usually the main determinants as well as the translucency of item. In some cultures, gem stones were classified according to their colour characteristics with the exception of the diamond of course since this is obviously colorless.

Nowadays, there is a system being used in the field of gemology when it comes to grouping these gems accordingly. Basically there are a variety of aspects that are being scrutinized when classifying stones:

Cleavage

This is the specific characteristic of the material to be able to split into a specific line or plane. It can also be used to determine the relative strength of the stone since the more cleavage sections observed, the more likely that the stone is brittle.

Dispersion

This is the characteristic ability of the stone to split wavelengths of light. This can then be measured to determine just how far apart and how far the range of the dispersion is.

Fracture

This is the characteristic of a stone to break apart from an entire stone under the occurrence of extreme pressure. It can even be defined as the instance when the stone has been subjected to a certain amount of stress and if it would tear apart or chip.

Hardness

This is the ability of the material  in this case% instance a gem stone  to resist scratching by another similar material. The resistance to scratching can be used to grade the quality of material in question.

Luster

This is of the material to interact with light and how much light is absorbed or reflected.

Refractive index

This measures the speed at which light can travel through a particular medium. In this case the speed at which the light would go through the gem would be used to measure the quality of the stone.

Keywords: gem stones

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