Știri despre bijuterii

bijuterii cu ridicata cu ridicata ieftină ce este xiuyu?

Postat pe de Kingjy

Xiuyu is also called serpentine jade. Serpentine jade is produced in many places. Because the serpentine jade produced in Xiuyan, Liaoning has the best quality, most reserves, and the largest reputation, according to the national standard GB/T 16552 “Names of Jewelry Jade”, serpentine jade It can also be named Xiuyu, and Xiuyu has no origin meaning, it refers to all serpentine jade. Xiuyu is an ancient jade variety in my country, with a long history of development and utilization as well as a profound cultural heritage. It occupies an important position in the history of my country’s jade and jade culture. According to archaeological data, my country began to use this jade making tool in the Neolithic Age, such as the Xiu jade chisel unearthed from the Xinle site in Shenyang more than 7,000 cu ani în urmă.

The main mineral of Xiuyu jade is serpentine, and there are also a small amount of minerals such as tremolite, diopside, brucite, talc and dolomite. The colors of Xiuyu are yellow-green, dark green, verde, yellow, white, black, etc.. Xiuyu is generally delicate and dense. High transparency, generally translucent to slightly transparent, sometimes transparent. Waxy luster, the refractive index is generally 1.56-1.57. The Mohs hardness is 2.5-5, generally 3-4. The density is about 2.44 g/cm, -2. 80 G / CM3, generally 2.57 G / CM3.

The quality of Xiuyu jade is mainly evaluated based on its color, transparency, texture, clarity and blockiness. The ones with green to dark green, high transparency, no flaws, no cracks, and large blockiness are the ones with higher value.

There are many producing areas of Xiuyu jade. People often named them different craft names according to their place of origin. De exemplu, Jiuquan jade from Gansu, Xinyi jade from Guangdong, Luchuan jade from Guangxi, Jingnan jade from Beijing, Bowen jade from New Zealand, Leike jade from Mexico, and Korean jade.

As a kind of jewellery jade, Xiuyu is popular among people. It is often sold separately by carving.

 

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