Dulong jade has various colors, including green, white, gray and yellow. Among them, green Dulong jade is the most precious, with bright color and high transparency, and is known as "green Dulong jade". Dulong jade has high hardness, high density, fine and uniform texture and strong luster. It has not only ornamental value, but also high economic value. Due to the unique origin and scarce quantity of Dulong jade, Dulong jade in the market is often scarce and expensive.
Dulong jade is widely used in jewelry making and artistic carving. The jewelry produced is exquisite and has different shapes, giving people beautiful enjoyment and cultural significance. At the same time, in Dulong River area, Dulong Jade also bears the culture and emotion of Dulong, and is one of the important representatives of Dulong traditional culture.
The identification method of Dulong jade can be evaluated from the aspects of appearance, hardness, density and luster.
1. Appearance: Observe the color and texture of Dulong jade. Dulong jade usually has many colors, such as green, white, gray and yellow, among which green is the most precious. The texture should be fine and even, without obvious impurities and needle-like structure.
2. Hardness: Use a hardness testing tool, such as a mineral pen or Mohs hardness tester, to test the hardness of Dulongyu. Dulong jade usually has high hardness and can pass through common glass objects.
3. Density: Measure the density of Dulong jade. The density of Dulong jade is relatively high, generally 2.9-3.3 g/cm? amongst
4. Gloss: Observe the luster characteristics of Dulong jade. Dulong jade should be glossy, smooth and reflective.