Wen Yu Wen Yu refers to today's nephrite, which is delicate and smooth, and feels shiny and delicate. This kind of jade is first cooled and then heated in the hand, but this cooling is not cold, and it will become oil after long-term polishing, just like oil flowing out. Wenyu is the so-called nephrite, and nephrite is the characteristic of Hetian jade.

Brief introduction of nephrite

(1) main minerals: tremolite is the main mineral.

(2) Main colors: white jade, sapphire and sapphire can be divided by color.

White can be called white jade, and its names include sheep fat white, pear white and ivory white. Especially the suet white with fine texture and moist luster is the most precious. Sapphire is dark green and grayish green, with uniform color and delicate texture. Between white jade and sapphire is dysprosium white jade.

There are some traditional names according to color characteristics. Such as "topaz": light yellow to beeswax yellow, yellow flashing green, light color, rare strong color, extremely valuable when the color is strong, the quality is not inferior to sheep fat white jade; [Jasper]: Dark green, dark green or dark green, solid color is preferred. "Mo Yu": Two shades of black, black and white, black and white can be used for pretty works; "Sugar jade" is like sugar red. Sugar jade often has a gradual transition relationship with white jade or jadeite, and its color is blood red.

Nephrite is called true jade, and nephrite can be divided into white jade, sapphire, jasper, topaz, jet, sugar jade and flower jade. China is one of the famous nephrite producing countries, mainly producing in Kunlun Mountain, Tianshan Mountain and Altun Mountain in Xinjiang. All have waxy luster, purity and milky white. Judging from the jade articles of past dynasties, nephrite is the main jade used in China, and ancient nephrite is called traditional jade in China. The common colors of nephrite are white, gray, green, dark green, yellow and black. Most nephrite are opaque, and some nephrite are translucent and glassy. The varieties of nephrite are mainly divided according to different colors. According to Zhuo and Hetian jade, the best white jade is as white as suet, which is called suet jade. Sapphire is grayish white to bluish white. At present, some people call off-white sapphire sapphire. Jasper is green or dark green, and sometimes black spots can be seen, which is caused by impurities such as chrome spinel minerals. Containing many impurities, when it is black, it is a precious jet. Topaz is also a precious variety. Sapphire has a yellow shell with sugar water, which is called "sugar jade" by the existing people, "pink jade" by some people when the white is slightly pink, and "tiger jade" by some people when the tiger skin is colored.