Basic knowledge of the four jade

Basic knowledge of the four jade

China is the world's most important jade country, not only a long history of exploitation, but also a very wide geographic distribution, larger reserves. According to "Shan Hai Jing" records, made in China, jade has more than 200 locations. The most famous is the Xinjiang and nephrite jade, Dushan jade it and Henan, Liaoning and Hubei turquoise Xiuyan, collectively known as China's four major jade.

And nephrite

Distributed in Xinjiang Sha East, Taxkorgan, and Tianzhi Yu Tian, and stretches 1,500 km north slope of the Kunlun Mountains. And nephrite mineral composition to tremolite, actinolite mainly white, blue green, black, yellow, various colors. Jade is translucent, waxy luster polished showed. Hetian cooked at an altitude of 3,500 meters to 5,000 meters high in the rock. Collection of jade in the river bed in the block known as the seed jade, mined in the mountain rock in the material. And nephrite assessment is based on the economic value of the purity of color and texture. The main varieties are: mutton fat white, white, green white jade, sapphire, topaz, sugar jade, black jade.

Dushan Jade

The mine is located in Nanyang Dushan Jade northern suburb of the "Dushan", also known as "Nanyang jade." Yu-alone class for the plagioclase jade, fine texture, pure, shiny with grease or glass, polished performance, transparent and composed of three or more colors multi-color jade, the color brilliant. The main products are: white jade, jade, green jade, purple jade, topaz, ruby hibiscus, black jade and jade and other variegated.

Xiuyu

Due mainly grown in Liaoning Xiuyan county named. Xiuyu magnesium carbonate formed in the metamorphic rock marble, the exterior was green, yellow and green, pale white, translucent, waxy luster polished showed. Neolithic Hongshan culture jade used for production in fine jade Xiuyan county ditch, called old jade, the tremolite nephrite. Shang tomb of Fu Hao most of jade and jade tile ditch minerals Xiuyu Xiuyan similar.

Turquoise

Turquoise is one of the ancient jade, ancient Egypt has been back in the knowledge of it as mystery. Yongjing ago unearthed in Gansu in 3800, the turquoise beads 20. In ancient times, "Jingzhou stone" or "Xiangyang tal," said. Was the different shades of blue, green color, waxy luster. Hubei produce high-quality turquoise, Chinese and foreign well-known, popular people love their craft, popular around the world.