Where is the main producing area of kyanite and how to beneficiate it?

China began to investigate kyanite minerals in the 1940s, especially in the late 1970s and early 1980s. A large number of general surveys and explorations were conducted, and more than 20 kinds of kyanite minerals were found, distributed in more than a dozen provinces and regions. So, where is the main producing area of kyanite? Let's look at the birthstone!

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China began to investigate kyanite minerals in the 1940s, especially in the late 1970s and early 1980s. A large number of general surveys and explorations were conducted, and more than 20 kinds of kyanite minerals were found, distributed in more than a dozen provinces and regions. The main deposit distribution: Hanshan in Shuyang, Jiangsu, Yinshan in Henan, Xingtai in Hebei, Dianbu Temple in Inner Mongolia, Prague in Xinjiang, Fan Shi in Shanxi, Yuexi in Anhui, Huoshan, Dahuanggou in Liaoning, Wenchuan in Sichuan, Yunnan Hot Water Pool, Panshi in Jilin, Luohekou in Yangxian County, Shaanxi Province, etc.

Mineral processing method: kyanite is generally processed by flotation, magnetic separation and gravity separation. There are also electrostatic separation methods, but gravity separation and flotation are often the main methods. Magnetic separation is a method to remove impurities. The specific mineral processing method, reagent system and mineral processing technology depend on the characteristics of the deposit, ore composition, structure and surrounding rock properties. Fine kyanite ore mainly adopts flotation method. Because kyanite minerals, gangue minerals and gangue minerals account for a small proportion, gravity separation is generally not considered.

Mixed kyanite, including coarse-grained disseminated ore and fine-grained disseminated ore, can adopt combined gravity flotation process.

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