The "grain" and "crack" in the jade bracelet

The pattern and crack of jadeite refer to the texture that exists in the interior of jadeite and is difficult to judge in appearance. Most of them are in the geological process formed in the early stage of jadeite, which is produced by internal stress, and is often later in the geological process. Mineral filling heals and is therefore generally closed. Stone patterns are easily identifiable under transmitted light, but not under reflected light. The stone pattern of the jade bracelet has little effect on the durability and firmness of the jade.

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The crack of the jade bracelet is a damage to the surface of the jade. It may be a shear or tensile crack formed by the stress during the geological process. It is not healed by the later minerals, or it may be damaged during the mining or processing. Produced, but no matter which way it is formed, as long as the jade has such a crack that can be observed under the reflection of white light, its value will be reduced by at least 1/3. Any surface of the polished jade will be scratched with nails. The texture that is obviously hindered can be regarded as a crack. If the jade bracelet is broken or broken, the jade bracelet needs to be repaired by the method of gold inlaid jade.

"Ten treasures are nine cracks, no grain is not jade, which means that there are very few gemstones and jade without cracks. Therefore, when purchasing jade bracelets, on the one hand, we must carefully observe them, on the other hand, they are not overly critical. Because Very perfect jade bracelets, even if there are perfect items, the price will definitely be higher, or even much higher. For some small, distant, cracked, difficult to see with the naked eye or ten times magnifying glass You can don't care, as long as the big side is too good to be satisfied.

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