The color of coral jade can be roughly divided into two categories, one is the original color, and the second is the secondary color. The primary colors include the true color of jade, the color of impurities in jade, the color of jade and stone blended between jade and surrounding rock, and the color of jade blending again and changing again during mineralization.
Secondary colors can also be divided into natural secondary colors and artificial secondary colors. After the formation of coral jade, the natural secondary color is in the long geological period, especially after the fold rises to the mountain or the surface of the ground, the jade comes into contact with the surrounding rocks, soil and plants, through penetration, soaking, drying, dyeing, etc. As a function, some mineral components enter the jade, and some mineral components in the jade will also change, which can change the original color of the jade.
The artificial secondary color means that after the coral jade enters people's life, it is influenced by human factors, such as long-term wear, disc play, and jade pieces will slowly change color in the skin and inside. This is caused by people's sweat, contact with living things, oxidation of the air, and light. Or it is artificially processed in a certain part of the coral jade. This color change is created by human activities, so it is also called artificial secondary color.
However, it must be noted that the dyed coral jade is not even "secondary", it is artificial "coloring", and it is a fake, this coral jade is basically worthless and not worth playing.
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