Scheelite is a granular or massive shape of transparent to translucent minerals, color with molybdenum content changes, the common color has white, gray, yellow, purple, light brown, red, green and so on, with grease luster or glass luster, about 70% of the global tungsten resources. Scheelite has luminescence, light blue to yellow fluorescence under ultraviolet irradiation.
Scheelite ore is mainly produced in contact metasomatism deposit, high temperature hydrothermal vein and dolomite. Yaogang xian in hunan province is a world famous scheelite producing area. In addition, dageng in jiangxi province, dashun lake in hunan province, wenshan in yunnan province and other places in the south of Korea, Saxony in Germany, Cornwall in the United Kingdom, new south wales in Australia, northern Bolivia and Nevada in the United States are also the main producing areas of scheelite. Scheelite is mainly used to produce tungsten iron, but also can make permanent magnet.
Tungsten resources are relatively rich in the world, there are more than 20 kinds of tungsten minerals and tungsten minerals have been discovered, namely wolframite family: wolframite, wolframite, wolframite; Scheelite family: scheelite (calcium tungsten ore), molybdenum scheelite, copper scheelite; Wolframite minerals: wolframite, wolframite, ferrite wolframite, yttrium wolframite, copper wolframite, wolframite; Rare tungsten minerals: wolframite, oblique wolframite, wolframite, wolframite, wolframite, wolframite, bismuth wolframite, antimony wolframite, yttrium thorium (containing tungsten), wolframite. Although more than 20 kinds of tungsten minerals and tungsten minerals have been discovered, only wolframite and scheelite are of economic value for mining.
Because it contains different proportions of ferrotungstate and mangantungstate, it is also known as wolframite, accounting for about 30% of the total tungsten resources in the world. If high iron content is called tungsten iron ore, high manganese content is called tungsten manganese ore. The color of wolframite varies with the content of iron and manganese. The common colors are dark gray, reddish brown, light brown black, hair brown and iron brown. Wolframite has metallic or semi-metallic luster, brittle and weak magnetic. Wolframite is mainly produced in the high temperature hydrothermal quartz veins, south jiangxi, east hunan, north guangdong are world famous wolframite production areas, in addition, Russia Siberia, myanmar, Thailand, Australia, Bolivia and other major sources of wolframite. Wolframite is mainly used for refining tungsten and producing tungstate.
