Red agate is also a variety of chalcedony in mineralogy.
North red agate is widely distributed in the middle and lower reaches of Yichun, Xunke and Nenjiang in Heilongjiang Province.
North red agate has limited reserves, gorgeous and moist colors, especially red agate, which has good transparency and ranks among the best in the world. Wuyiling District of Yichun City is "the hometown of red agate in northern China".
The hardness of northern red agate reaches 7.0-8.0, second only to diamonds and corundum. The main color is mainly red, with yellow, white and purple. The color is pretty and rich, moist and gorgeous, and unique.
At the same time, it has five characteristics of gem, namely, bright and beautiful color, high hardness, good transparency, stable chemical substances and scarcity.
Extended data:
1, the origin of Beihong:
Heilongjiang Province holds a large-scale cultural performance of "Red Agate Art Festival" every year, vigorously publicizes and promotes the brand of red agate, and its reputation as "the hometown of red agate" is well-known at home and abroad.
On March 20 14, the Heilongjiang provincial government established the China-Russia Agate Gemstone Association, and held the "20 14 China Harbin International Jewelry and Jade Expo and the First North Red Agate Culture Festival" in May, which widely promoted and publicized the North Red Agate.
According to the brand of "Nanhong" agate, Sun Min, president of Shanghai Shanghai Jade Carving Culture Association, suggested that Heilongjiang agate be named "Beihong Agate".
2. Characteristics of Beihong
The so-called northern red agate, mainly produced in Wu Yiling and Heilongjiang Xunke agate, has a hardness of 8.0, second only to diamond and corundum. The main color is mainly red, with yellow, white and purple. The color is pretty and rich, moist and gorgeous, and unique.
At the same time, it has five characteristics of gem, namely, bright and beautiful color, high hardness, good transparency, stable chemical substances and scarcity.
Baidu Encyclopedia _ North Red Agate