Precious stones
Gems are a kind of expensive metal, consisting of crystallization of metal and more. This crystallization is due to the exposure of certain substances, some metals and organic materials to the pressure and heat over the years. It is important to know that there are many types of gemstones on the surface of the earth. Based on the nature of their constituent materials, and based on the degree of purity, size and shape, and gemstones many uses, including uses for decoration, and uses for treatment and others.
Kinds of precious stones
- This type of gemstone is a chemical compound composed mainly of silica, and some impurities such as iron compounds, and this stone many colors, including yellow, red and brown, but the most famous types is the brown, which is called hepatic, and aging the so-called Ramani.
- Topaz is called yellow sapphire, or yellow exhalation. This stone forms in the heart of the stone cavities, such as the harsh shist and the heart of the granite stones, which are available in several colors including brown, blue, yellow and golden yellow.
- Aquamarine, with its radiance and splendor, this stone is pure, not yellow or black, and is available in several colors, but most of the presence of yellow Cypriot, and green Egyptian.
- Pink, and white. The pink mousse is more regular than any other gemstone and is also available in larger sizes.
- The lazuli, which was called the lure, is characterized by its dark blue color. It is found in Iran in a large way. It consists of two chemical compounds of sodium silicate and aluminum, as well as sulfur and iron mixtures.
- Amethyst is called sapphire. The amethyst is made of some manganese. This element has gained the color of dark purple and light purple, and is also available in purple, and colors ranging from violet to purple.
- The jade is characterized by its purity, transparency and high quality.
- It is known as the Egyptian emeralds because it is found in Egyptian mines. It is characterized by its transparency and crystals of hexagonal shape, and its double structure, which combines aluminum silicate and beryllium, and is available in several colors, including blue and light bluish.
- The Star Ambassador is characterized by white lines, and this stone can be fully transparent or semi-transparent.
- Ambassador, this stone is formed by the exposure of a kind of corundum plants to high pressure and high temperature, and this stone is available in many colors except red, but the most expensive price is of transparent blue.