Four basic knowledge of jade

China is an important jade country in the world. It has a long history of mining, and it has a wide geographical distribution and a large reserves. According to the "Shan Hai Jing", there are more than 200 places in China. The most famous jade is Xinjiang Hetian jade, which is known as the four major jade of China, with Dushan jade in Henan, Xiuyan jade in Liaoning, and turquoise in Hubei.

Hetian jade

It is distributed in the northern slopes of the Kunlun Mountains, which stretches 1,500 kilometers from Shadong, Tashkurgan, Hetian to Yuxi, Xinjiang. The mineral composition of Hetian jade is mainly composed of tremolite and actinolite, and it has different colors such as white, cyan, black and yellow. The jade is translucent and has a waxy luster after polishing. Hetian jade is born in a mountain rock with an altitude of 3,500 meters to 5,000 meters. The jade collected in the river bed is called seed jade, and the mountain material is mined in the rock layer. Hetian jade's economic value is based on the purity of color and texture. Its main varieties are: sheep fat white jade, white jade, white jade, sapphire, topaz, sugar jade, ink jade.

Unique jade

The mining area of ​​Duyu is located in the “Dushan” in the northern suburbs of Nanyang City, also known as “Nanyangyu”. The unique jade is plagioclase jade, the texture is fine and pure, with grease or glass luster, good polishing performance, transparent and more than three colors to form multi-color jade, colorful. The main varieties are: white jade, green jade, green white jade, purple jade, topaz, hibiscus jade, ink jade and variegated jade.

Saitama

It was named after the main producing area in Xiuyan County, Liaoning. The jadeite is formed in the metamorphic marble of magnesia carbonate. The appearance is greenish green, yellowish green, light white, translucent, and waxy after polishing. The jade material used in the Hongshan culture in the Neolithic period was produced in the fine jade ditch in Xiuyan County, commonly known as the old jade, which is a tremolite nephrite. Most of the jade articles unearthed from the Shang Dynasty Women’s Tomb are similar to the jadeites of the Yanyan Wagou Mine.

turquoise

Turquoise is one of the ancient jade, known as ancient Egypt, and regarded it as a mysterious thing. Unearthed in Yongjing, Gansu, there are 20 turquoise beads dating back to 3800 years ago. It is known as the "Jingzhou Stone" or "Xiangyang Dianzi". It has different shades of blue and green, and has a waxy luster. Hubei produces high-quality turquoise, famous both at home and abroad, and its handicrafts are deeply loved by the people and are sold well all over the world.

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