How to polish pearls?

1. Polishing is the last step in the pearl optimization process. The early polishing technology was to polish pearls on soft leather soaked with turpentine, then grind them with diatomite powder, put them in clean diatomite for a short time, and finally polish them with olive oil and ripe leather. In addition, hardened corn seeds or dried and waxed bamboo particles are also used as polishing materials.

2. With the development of science and technology, there is a special pearl polishing machine for polishing. Mainly divided into grinding, punching, bleaching, dyeing, polishing, pretreatment and other steps. After these steps are completed, pearls need to be washed. This washing method is mainly divided into salt water washing and mixed liquid washing.

Pearl is an ancient organic gem, a hard and smooth product produced by mollusks (mainly oysters). The calcium carbonate-containing mineral (aragonite) beads produced by endocrine function consist of a large number of tiny aragonite crystals. Pearls with magnificent colors and elegant temperament symbolize health, purity, wealth and happiness, and have been loved by people since ancient times. According to the research of geology and archaeology, there were pearls on the earth 200 million years ago. Pearls are generally used in jewelry and jewelry industry.