Yesterday, it was learned from Zhejiang Geological Exploration Bureau that a large-scale pyrophyllite resource was newly discovered in Ruian, Wenzhou.
According to the geological team member of the 11th Provincial Geological Brigade who discovered the resource, “This kind of quarry is only found in Wenzhou’s Taishun and Lishui Qingtian areas in Zhejiang Province. It is a material for Qingtian stone carvings and seals.”
What is pyrophyllite
Stone, how is it formed?
Relevant data show that pyrophyllite is mainly distributed in eastern China. The rhyolite and crystalline tuff of the Late Jurassic and Early Cretaceous have undergone strong volcanic hydrothermal metasomatism, forming large-scale pyrophyllite deposits, such as Emei pyrophyll in Fujian Stone deposits and pyrophyllite deposits in Qingtian, Zhejiang.
According to the market price, a seal made of pyrophyllite costs three to five hundred yuan at the cheapest price. For a Qingtian stone sculpture carved with it, a stone is even more than several hundred thousand yuan.
However, for such precious stones, Zhejiang is currently in a state of exhaustion of resources.
The basic resources that are being used now are the resources developed in the early years.
In the mining area discovered this time, the pyrophyllite ore resource reserves reached more than 2 million tons, reaching a large scale of the same kind in the province, and the potential economic value of the mine reached 2 billion yuan.
In the mining area discovered this time, the pyrophyllite is off-white, and the content of kaolin is relatively high according to the survey.
The expert group agreed that the quality of the ore in the mining area is stable, the texture is fine and uniform, the content of harmful impurities is low, and it is easy to mine and process.
Relevant departments also started from the study of the properties of ore, and carried out the application test research of glass fiber, papermaking coating pigment, ceramic raw material and composite titanium dioxide.
Judging from the test results, the ore from the mining area is suitable for use in glass fiber, ceramic raw materials and raw materials for the production of composite titanium dioxide, especially glass fiber raw materials and ceramic raw materials such as wall and floor tiles and sanitary ware.
At present, there are fewer and fewer high-quality pyrophyllite, kaolinite and other glass fiber raw materials on the market, and the demand for glass fiber is steadily rising. This discovery can effectively alleviate the shortage of resources of this type in the province.