Recently, the General Administration of Quality Supervision, Inspection and Quarantine issued an announcement that Xinjiang Manas Jasper has applied for the examination of the protection form of geographical indication products.
Manas Biyu is produced in the depths of the Tianshan Mountains in Manas County, northern Xinjiang. It has a long history of mining and is famous in the Qing Dynasty. It is one of the jade varieties developed and utilized in China in the early period. It is a mid-range jade.
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The Manas jade mine was originally owned by the royal family of the Northern Song Dynasty, and was later used by the emperor of Emperor Kangxi to be the royal court. According to historical records, as early as the Qianlong period of the Qing Dynasty more than 200 years ago, the Qing government had set up a green jade factory in Manas. The "Three-State Collection" written in the Qing Jiaqing period said: "Manas City has more than 100 miles, and the name is Qingshuiquan. It is more than a hundred miles away from the west. It is named after the ditch. It is more than a hundred miles away, and the famous ditch is producing green jade. In the fifty-fourth year of Qianlong (1789), the green jade mine was closed and mining was prohibited."
Manas jasper is bright in color, fine in jade, good in gloss, and the quality is comparable to Kunlun jade and Hetian jade. Its characteristics are: the color is spinach green, mixed with a bit of shape and strip of white spots, while there are ink spots. It is grayish green, dark green, dark green, and the quality of black spots, black spots or jade is slightly worse. Jasper contains more than 90% of the fluorite. The texture is fine, translucent and oily. It is a mid-range jade. The hue is uneven and has gray and black spots, and the pure green color is the top grade. The color of jasper is heavy and the color is solemn. It is suitable for carving large pieces of landscape ornaments or heavy and simple utensils. There are many excellent jasper boutiques in the jade collection of the Forbidden City.
Manas Jasper is mainly distributed in the upper reaches of the Manas River, the upper reaches of the Taxi River and the Qingshui River, a tributary of the Manas River, and is located in the eastern section of the northern Tianshan ultrabasic rock belt.
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