Here is the answer

When you shop online stores of precious stones, one of the first things you'll notice that most of the stones have been treated or enhanced in any way - with heat or chemicals or radiation or a combination. These stones are considered really a deal? Or is it better, akoya pearl necklace, more money and get a really "natural" gem?

Reply

Here is the answer. Gems are a wonderful product of nature and natural beauty should not be strengthened or improved in any way. If you do not want to not buy a truly natural product, you can buy a synthetic gemstone or false or "treatment". But only nature can make a real ruby or sapphire.

I'm sure many people agree with this point of view. But it is rather naive if you think about it. In the end, you do not see a lot of people raw minerals contribute to the fingers or neck. The fact that people expect that the natural minerals, which increases the intellectual cutting and polishing. Gems do not come out of the mine with faceted! If you saw the uncut rough sapphires, for example, I'm sure you were surprised that the beautiful blue sapphire that portion of opaque crystals of aluminum oxide can be produced.

When we think about it, we understand that the precious product of human handicraft made from natural materials. The question is, what type of extension are acceptable? And how these improvements in price and value of precious stones?

In this article we will focus on the most common form of improved stone - heat treatment. Search for explanations of other treatments in our next article.

Why Gems are considered

Some precious stones such as garnet and peridot unlikely treatment. Others, such as ruby and sapphire are considered systematically. Why? And so are regarded as much more expensive than untreated ruby pomegranate?

Some highly desirable stones such as rubies, sapphires, rare and reduce the supply of high quality stones are usually developed as mines. At the same time, the demand for strong and keeps growing. The search for new sources of gem quality usually leads to degradation of the stones of poor quality, as it was in Mong Hsu in Burma in 1992. Mong Hsu Ruby purple or bluish tint, which was not remarkable "pigeon blood red" that people find so desirable Mogok Burmese ruby is supported, which are now very rare.

Net gem laboratories in Thailand showed that the color of Mong Hsu rubies can be improved by heating, pearl pendant, which is a ruby eye distinctive Burmese. This medication or increase the current total for rubies from Mong Hsu, prices for medium and precious stones.

Sapphire other type of decoration, which regularly increased by heating. Natural sapphires are usually "taken" to a certain extent - that is, they have a domestic deposits of foreign material or structural abnormalities that affect the clarity of the final product. These inclusions often give the appearance of clouds jewel. Heating rocks at high temperatures (above 1000 degrees Celsius) can be "cured" the majority of these proposals, because they have a melting point lower than the sapphire. As a result, it is clear piece of jewelry with a more appealing color.

The value of the stones is enhanced by heating or, not surprisingly, is lower than that of the native sample of the same color and clarity. Jem home, of course, is extremely rare. Without improvements in heating systems will provide a ruby eye clean, good sapphire color can be so small that these stones would have been a small number of wealthy clients.

Practical advice

As you shop online for gems, look for "treatment" in the description of precious stones. If the jewelry has been heat treated, the seller must disclose that fact. If you are shopping for a ruby or sapphire, and the seller claims the stone is heated, the buyer Beware! Quite possibly, you are not acted on a gem, but the stone must be assessed accordingly. careful treatment, if the price of the precious stone reportedly heated in the same manner as bracelets, as heat.