Turquoise is one of the oldest jewelries, which has thousands of splendid history already. It was regarded as the symbol of the magic and luck in Egypt, Mexico and Persia. Thousands of years passed by, but humanity had never changed their favor of it.

There are various legend about it. The symbolic significance of it was different, too. The Egyptian regarded the turquoise as their god to protect their treasure. The Indian thought it could avoid evil. The Tibetan treated it as the avatar of the divinity, which stood for the power and position. It was said that the turquoise jewelry was used as the crown for the first king of Tibet. It was also treated as the December birthstone in each country, which stood for the success and victory. It was also called the stone of success.

How to judge the turquoise? How to choose it? Actually it mainly depends on the color and texture of it. That is to say, we can judge it by the depth of the color and the exam of the texture.

There is various color of turquoise blue, light blue, blue green, green, etc. The good blue or the good dark blue turquoise has little or no clarity, which has average luster on the smooth surface without any brown line. It can be also classified by the texture. The clear one with high value is rare. The turquoise with magnetism has a smooth surface like china.

Normally the turquoise is identified by four grades in the jewelry kingdom.The first grade is Persia grade. The second grade is America grade.The third grade is Egypt grade and the last grade is Afghanistan grade. The first grade is the turquoise of the highest quality.

How to maintain the turquoise? How to wear and how to keep it for a long time? It is better to keep it from cosmetic and perfume. It is easy to be polluted, so it should be kept from tea, soap, oil, rust and alcohol. Besides, do not bake the turquoise or put it in the sunshine directly or else it will be faded, burst or cracked. It is so fragile that it can’t be conflicted with other hard matter. It is better to keep it from those hard things.