1, depending on the hardness. The hardness of jadeite is between 6.5 and 7. You can scrape the glass with jade. If you can leave traces on jade, it is not a real jade.

2. Emerald is translucent, with yellow, green, cyan and transparent colors. If red exceeds these colors, it can't be jade.

3. The density of jadeite is relatively high. We can observe its internal structure carefully with a magnifying glass. It can be seen very carefully that the internal structure is very similar to the shape of loofah.

4, look at the color, the color of jade is particularly bright, there is a feeling of gem, and the purchase of dim color should be cautious.

5, listening to the sound Because jade has high hardness, meticulous structure and contains a variety of minerals, tapping with two jade bracelets will make a metallic sound. If the voice is dull, it is not jade.