What you need to know about emeralds
Emeralds are usually classified according to their connotation: it was from him will depend on the value of the mineral. The color of an emerald is determined by its chemical composition, namely the amount of impurities of vanadium, iron, chromium. In the special table you can find the following varieties of stone:
- medium green,
- dark green
- light, with a greenish tint.
Most expensive prized emeralds hue of fresh grass. Such stones are mined in the mines outside Bogota in Colombia. In addition to Columbia, the most important ones are the deposits in East Africa, India, Pakistan, Siberia and the Transvaal (province of Africa).
Of course, when buying jewelry ask the seller about the origin of the stone is not enough. You need to know the number of features that distinguish true emerald from a synthetic. The first thing you need to know about emeralds – they almost always have defects. And they are much more than, for example, rubies and sapphires.
Many natural emeralds are opaque. In addition, if you want to buy a antique product, please note that the stones in an old ring or necklace will be matte, perhaps worn, because the emerald is an extremely soft mineral.
For emeralds distinctive inclusions that do not affect their value, but only point to a natural origin.
What to choose?
When buying jewelry with emeralds, carefully inspect it. Impeccable structure, purity, uniform color, smooth, no inclusions and a vivid play of light – all this testifies to the fact that before you artificial stone. The exception is the so-called refined emeralds, inclusions which are invisible to the eyes with a burning laser.
If you're artificially grown gems, you still should be familiar with the rules of selection of jewelry. Artificial emeralds are also fake and synthetic instead of mineral you risk to buy cheap fluorite or even green glass. You need to be able to detect low-quality fake.
Synthetic emeralds have been grown in 1888, their history is also rich and interesting.
How to look like faux emerald? These synthetic emeralds by hydrothermal method based on the dissolution of natural beryl. They differ bluish-green shade, which the natural stones will not meet. The price of such stones is much lower and, in contrast to natural emeralds, they are inserted not only in gold but also in silver.
Of course, an ordinary buyer can easily confuse natural, synthetic and fake stone, despite any precaution. To verify the authenticity of the jewelry right in the store using the Chelsea filter you most likely will not be allowed. Therefore, as a universal method of protection from a sell can be recommended gemmological.