How to maintain turquoise so that it does not change color
Turquoise beads are popular in China and throughout Asia, and have a lot to do with their mysterious colors. Traditionally, turquoise is the amulet of the knight, and it is the sci-fi girl stone that protects Jude. Generally, turquoise beads have low transparency, and they are discolored when they are too dry or overheated. The main reason is related to the quality of the micropores. If it is dried for a long time, the crystal water contained in the interior will gradually disappear, making the color of the turquoise lighter and even dull. Therefore, some people use smeared oil or wax to save their primary colors and moisture, without damaging their original quality, which has been accepted by the general consumer.
Turquoise in the overheated environment, not only easy to lose internal moisture, but also quickly escape the contained hydroxide (OH-1), so the beads should not be placed in the sun, near the stove, the hot electrical appliances Otherwise, it will cause discoloration and dryness after being heated for too long. Every day should be placed in a cool place. During the dry season and summer, a small glass of water should be placed near the beads to keep the air humidity around. They are all in contact with acidic, alkaline or chemical substances.
Only from the artificial turquoise with the spherical structure, it is enough to be chaotic, we must be careful to identify. If you use a spectroscope test, the natural turquoise will appear two black lines in the blue area; the artificial turquoise has no black lines, and the texture and color of the naked eye are too uniform, there is no iron black line or spider web blue, only Casting ingots.
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