Gemstone Information
What you probably do not know about gemstones is the fact they are only colorful rocks that have been polished and precisely cut so they can be used as jewelries. Attractive as they are, these rocks are usually minerals dug out of the ground, others are tossed out. These gems posses special characteristics that make them valuable to those who buy them.
These crafted stones go a long way. They have soft textures but majority are very hard. Shiny ones are used to make jewelry. Some would call these stones semi-precious or precious. These stones are also used for therapeutic or industrial purposes.
Mineral value would most likely depend on the rarity of the stone and how hard it is to find. The more exotic and difficult the area and location where the stone was found, the more expensive it is to purchase. Pebbles are also addressed as gemstones in some way. Some would come out big some just the right size.
Who identifies gemstones?
Gemologists are the ones who identify these stones. They have the authority to describe the minerals using terminologies that is within the scope of gemology. These people are the ones who give out certain gemstone characteristics and identify them according to their composition as chemicals.
How are they characterized and what are their classifications?
The eight things Gemstones are rated by:
1. Chemical composition
2. Refractive index
3.Specific gravity
4. Dispersion
5. Cleavage
6. Hardness
7. Fracture
8. Luster
These stones may exhibit double refraction, luminescence and a particular spectrum that is distinct from other typical stones. Gems may have flaws that are presented as inclusions.
Classifications usually differ by country. They may be introduced as the cubic crystal system, tribunal crystal system and the nonclinical crystal system. But the general approach for classifying is according to varieties, species and groups.
The Value of a Gemstone
As everyone knows the diamond is the most valuable gemstone of all time. Amounting up to billions of dollars, the price of diamonds is based on its properties which include its brilliance and defiance. Unlike the other gemstones, the diamond has its purpose. This magnificent yet available resource can cut through glass without being broken into tiny pieces.
A gemstone’s value is based on its characteristic and rarity. It all depends on how clarity is shown, the cut and phenomena to its optical reasons. Great demand in the market lessens the price of the gemstone unless situations may occur. Example, the diamond would be a need by millions, yet the supply offers only thousands.
With this kind of situation, distributors can increase the price of the material. It is only when the stone is that scarce that people tend to adjust its value. But other than that, there are a wide variety of gemstones these days. Some are surprisingly cheap.
To determine the value of a particular gemstone, water is used. Water is referred to as the combination of different colors and transparencies marked in gemstones. First water would pertain to the finest of all stones. Byewater would be the opposite of the latter.
Some of the most precious stones are the emerald, ruby, opal and sapphire and are precious enough to reach such a surprising amount.
Size does matters when comes to the price of a particular stone.
Today, gems are placed on a pedestal and are known as fashion material. Designers offen use such stones to include in their artwork to make it priceless and elegant in such a manner.