Fuxin, Liaoning, located in the west of Liaoning, is the main agate producing area, processing area and agate product distribution center in China. Agate is rich in resources, accounting for more than 50% of the national reserves, with excellent quality. Fuxin has a profound agate culture. Scrapers made of agate, jade and stone tools were unearthed at the Chahai site 7600 years ago, indicating that Chahai people were the first people in the world to know and use agate.
Qingdao, Shandong Province, because the 20 15 China International Jade Fair was held in Qingdao, treasures from all over the world gathered in the island city, setting a number of records in terms of transaction volume, number of visitors and total transaction volume.
Qingdao Jade Expo is professional, high-end and free of fakes, and its brand value, market potential and development ability are second to none in China. Qingdao Jade Expo also pioneered the worry-free trading in China jade market, and the jade traded on the spot must pass the quality inspection of the inspection department before trading.
What is "jade"
Jade in a narrow sense can be divided into nephrite and jadeite, nephrite is the most representative, and its main component is calcium magnesium silicate. Jadeite is the most representative jadeite, and its main component is sodium aluminosilicate. Jade in a broad sense refers to beautiful stones, including jadeite, Hetian jade, dushan jade, turquoise, diamonds, agate and other natural minerals.
According to GIG's research, jade can be divided into nephrite and jadeite. Nephrite is a traditional jade material in China, and its name comes from nephrite. Because nephrite is produced in Hotan area of Xinjiang, people often call nephrite "Hotan jade". The hardness of nephrite is generally 5.6-6.5 degrees, and it is opaque or translucent. Nephrite can be divided into the following categories by color: white jade, topaz, sapphire, (blue white jade), jasper, black jade, flower jade and Tang jade.