Whether the value of jet is worthless depends on its quality. Depending on the specific quality, the ordinary price is not expensive. If high-quality jet is matched with good technology, the value is still relatively high. The quality of jet depends on the following points.

Dark green jade is also called black green jade. The color of this kind of jade is easy to recognize, and you can know that it is dark green by its name. This dark green is not dull, but shiny. Although the color is deep, the gloss is very good, which is the kind of crystal green.

Bian Shi is more collectible. There are two main reasons: bian stone can be used for health preservation and treatment, bian stone products can be used for daily health care, and bian stone can also be used for clinical conditioning of common diseases in traditional Chinese medicine. Top-grade bian stone, that is, Spin bian stone, has little reserves and has more room for appreciation in the future.