Jade is one of the finest semi-precious stones which is can be classified as the collectible items. It takes its name from the Spanish term "Piedra de ijada" meaning stone spine. The reason why it is so called, is that it is believed that jade could cure kidney disease, and those related to the kidneys. Disease "nephritis" is an inflammation of the kidneys, believed to have been named after the supposed virtues of jade, as this stone is also called nephritis.
Jade is usually green. It is therefore also called the "Peter Green" in some countries. The Chinese refer to it as "yu" (玉) or the "Royal Stone." Despite the green is its primary color, jade comes also in a creamy white, black, gray, orange, yellow, lavender, mauve, pink and emerald green colors.
There are two varieties of chemical Jade. One of them is known as nephritis and the other is called jadeite. When it comes to hardness, appearance, etc. The two are almost identical. However, they differ when it comes to chemical composition. Nephritis is composed of natural chemical bases calcium, magnesium and iron, while jadeite is based on natural chemical substances sodium and aluminum.Nephritis is usually a bright green. Jadeite is more expensive because it is rarer than nephrite. After being polished, nephritis develops a resin on the surface, while jadeite developed a mirror that shines its surface.
China, New Zealand, Russia, Canada, Guatemala and the Swiss Alps have considerable resources of jade. Burma is known to be the producer of the highest quality jade stones. The purchase of raw jade stone requires experience, as the final quality and color of jade is determined after processing and finishing was made. There is no way to determine at the time of purchasing the raw block, how the jade in its natural state will turn at the end of the polishing. Only after the complete treatment that is the final quality and luster of the stone is visible.
Silicon carbide and diamond dust are used to treat raw jade. The hardness of jade varies from 5.0 to 7.0 Mohs. In ancient times, weapons and tools were made of jade. Then its use spread in the field of art and culture with many sculptures and figures of deities were carved from jade.
The ancient Egyptians believed that jade brought peace and happiness, and jade was the stone of love.For some tribes of the Americas, jade was more valuable than gold. Meanwhile, the Chinese imperial dynasties were particularly fervent admirers, as they used jade in jewelry and other decorative items and ceremonial.
Regardless of civilization, jade is levied on the entire planet like a stone beneficial. Even today, many jewelry made of jade, from simple strap jade, the most beautiful rings, making it one of the most popular gemstone connoisseurs, whose colors delight the eye as much as the senses.
Summary:
- Jade is a stone, which the predominant color is green, so in some countries, jade is known as the "Peter Green"
- There are many other colors of jade, such as creamy white, black, gray, etc.
- The colors of jade are given by the chemical compounds contained naturally in the stone
- There are two types of jade: Nephrite and Jadeite (Jadeite is rarer and therefore more expensive)
- The jade has been used for thousands of years
- It is his presence on the planet, but the largest deposits are in the Americas, and Asia.
- In China, jade is known as the "Royal Stone" because it was very popular with emperors and their entourage
- In ancient Egypt, jade was the "Stone of Love"
- At all times, everywhere, jade remains a symbol beneficial
- Even today, jade jewelry are still appreciated by most connoisseurs
About the author:
Li is a specialist Molly Jade , you can visit his website at: http://LeJade.fr
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