1. Dip a jade or stone mold in wax, which is what the jade industry calls wax. It fills the cracks and pits on the surface of the gem with melted wax to improve the appearance of the gem.

2. China's national standards for jewelry and jade attribute the improvement method of wax impregnation to optimization. Wax belongs to processed turquoise, and it must be declared for re-listing when it is listed.

3. This traditional improvement method is mostly used to improve jadeite, serpentine, turquoise, lapis lazuli, malachite, coral and ivory.

Extended data:

1. Besides waxing, jade should also be protected from the sun. This can prevent the texture and color of jade from being affected.

2. Jade should also be cleaned regularly. Jade blocks are generally cleaned regularly.

3. Don't use chemicals, such as detergent, soap, insecticide, cosmetics, perfume, conditioner, etc. Go to Jieyu. These chemicals are easy to damage jade.

4. If there is oil stain or dirt on the jade surface, it should be washed with light soapy water first, and then washed with clear water. Do not use chemical degreasers.

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