Opal, also known as oriental cat's eye, is a rare and precious variety in jewelry. Opal stones are "golden emeralds with cat's eye effect", "cat's eye", "cat's eye" and "cat essence". Opal, also known as oriental cat's eye, is as flexible and bright as cat's eye and can change with the intensity of light.

1, a thorough cleaning method, a small bowl or teacup filled with warm water after being dissolved with salt, and soaked in 10g for 24 hours each time. Finally, dry it with a soft cotton-free flannel.

2, cold water immersion method, with a small bowl or teacup, put the salt into the bowl, soak the diamond in water for about 30 minutes, then gently scrub the diamond back and forth with a small brush, then wave it in the water for a while, take it out and dry it with a paper towel.

3, quick cleaning method: buy a little salt, bury the diamond ring and purify it. It takes 24 hours to bury each time, so there is a disadvantage that if the gemstone salt is treated manually, there will be artificially treated parts. Therefore, if it is an artificial gem, you can't use salt.