Before the Ming and Qing Dynasties, the agate jade was made by hand. There were no high-speed cutting tools, high-speed grinding tools, high-speed drills, high-speed ball mills, etc. without electrical equipment. Therefore, when we observe the ancient jade objects, we can assert that once the traces of modern equipment are discovered, if it is not counterfeit, it is also a repair of the pieces. And to identify old agate beads, you need to know common sense.
Since most of the beads are worn in strings, there are also buttons made of metal such as gold and silver. This is inevitable between the beads and the beads. The bumps and bumps between the beads and the metal are hard to touch, and the weather is tempered by the seasons. Buried in the soil, it forms today's wrinkles similar to orange peel.
Because the beads are mostly spherical, the scars caused by the bumps or squeezes between the beads and the objects are also curved, like the seals that are covered by the fingernails, and like the "C in the English alphabet." ", it overlaps in different directions, and the traces are soft and easy to recognize. (Note: The fingernail pattern is only present in spherical beads.)
Speaking of patina, new players are prone to stunned, so let's say a few more words. For example, if the flower is worn by Hanako, the shiny and bright film on the neck collar and sleeve is the patina. On the jade agate object, the uniform formation of the pulp (forming the layer of oily and soft film) is not a hundred years. The formation of patina is caused by many factors such as the human body's oil, sweat, body temperature, friction and natural environment erosion. It is also a jade agate to resist erosion and anti-aging. Naturally formed protective film. The feeling of smearing in the patina is smooth and seems to be elastic; it is hard to use the nails but the shell of the skin of the field.
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