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What does it mean that the jade bracelet worn for 20 days has red spots? I personally sent the certificate to the appraisal agency. ...
Normal phenomenon, don't worry. This jade bracelet itself is tender and the water head is dry. At the beginning of the purchase, it was not obvious for these reasons. After wearing it for a period of time, jade is also absorbing some water from the human body, so the water head will be better than before, and it will become more transparent, with purple-red parts.

The reason for this statement may be that jadeite will change after being worn for a long time, becoming particularly round and smooth, some will change color, or something similar to bloodshot will be produced. This is actually a physical change, which has nothing to do with immaterial phenomena.

Observe the color of the red jade bracelet and see the lightness of the color: natural red jade is usually dark in color, reddish brown, changeable in color and layered.

You know nephrite and jadeite are real jade. In the same situation, nephrite is not as brittle as jadeite, but it is not wear-resistant. If you don't pay attention to wearing it, you will spend it, get bored and wear it.

If we are jadeite, or jadeite, white marble and other low-grade jade materials, we will grind more and more flowers, gradually lose luster and have a hairy surface. If jade originally contains green components but is not displayed in jade, it may appear green due to friction after wearing for a period of time.

At present, jade appraisal is mainly carried out by Wei Jewelry and Jade Appraisal Institute which has passed the national appraisal qualification certification. If it meets the national standards, it will issue, for example, natural jade A goods and Hetian jade appraisal certificates. If it does not meet the standard, the words jade treatment will be indicated.