1. Hetian jade is translucent, oily after polishing, and its hardness is between 5.5 and 6.5 degrees.
2. lantian jade is one of the earliest jade species developed and utilized in China. It has a history of more than 5,000 years and was developed and utilized as early as the Neolithic Age.
3. dushan jade, also known as "Nanyang Jade" or "Henan Jade", is produced in Dushan in the north of Nanyang City. It is also called "Duyu" for short.
4. Jade is produced in Xiuyan, Liaoning, China, and is named after it is mainly produced in Xiuyan, Liaoning. Jade is a kind of nephrite and belongs to serpentine.
The main features of lantian jade:
There have always been lantian jade in the history of China, including jadeite, jet, colorful jade, white marble and topaz. Hard texture, bright color, luster and fine texture. Because it contains silicon oxide, aluminum, magnesium, sodium, calcium, copper and other elements, it is often a jade with many colors, such as milky white, blue, yellow, red and so on. It is a good raw material for jade carving and making handicrafts.
1. Tone: The color of lantian jade is typical light olive or yellow-green. Because serpentine is formed by olivine alteration, there is olivine color left.
2, feel: feel light, the proportion of serpentine is relatively low, and the proportion of crystal is similar. So, if you hold it in your hand, you won't feel heavy.
3. Inclusions: Like all serpentine jade, lantian jade also has dolomite inclusions.
4. Gloss: The luster of serpentine is generally not very good, and few can reach the luster of glass. Generally, serpentine has a waxy luster.