The difference between Tik Tok's window recommendation and planting grass video.

Window good recommendation means that Tik Tok stores will shoot videos in order to promote their products, put the links of their products in the video good recommendation links, plant grass for real consumers or promotion bloggers to spontaneously make recommendation videos, and post links to recommend them to people who see the videos. This is a spontaneous behavior.

Jewelry appraisal methods are:

1, look at the color, the value of jewelry is reflected in the color, the color difference between true and false jewelry is great, and the color of natural jewelry is natural.

2. For clarity, clarity refers to the transparency and cleanliness of gemstones. Observe whether there are cracks, flaws, scratches, etc. with a high magnification magnifying glass. In terms of jewelry. Generally, the defects in synthetic jewelry are relatively clean.

3. Weight method, which is a method to distinguish the authenticity of jewelry with the same volume by testing the weight. This method is also suitable for the identification of pearls. Compared with artificial cultivation, natural pearls are slightly heavier.

4. Hardness identification method. Hardness refers to the hardness of jewelry. The hardness of jewelry and jade is classified as 10 internationally, among which talc has the lowest hardness, and its Mohs hardness is 1 degree, while diamond (diamond) has the highest hardness, and its Mohs hardness is1degree.