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Clay ores are the main minerals that make up claystones and soils, they are a number of aluminium- and magnesium-containing dominant hydrous silicate minerals, including mainly minerals of the kaolinite, illite, montmorillonite, vermiculite, and seafoa
Abrasive is a sharp, hard material, used to grind the surface of softer materials, abrasives have natural abrasives and man-made abrasives two categories. Abrasives have two important properties, the first is the hardness, it must be harder than the ma
Concrete aggregate refers to the role of the skeleton or filler in the concrete granular loose material, divided into coarse aggregate and fine aggregate, particle size greater than 4.75 mm of the aggregate is called coarse aggregate, commonly known as
Anthracite is the coal with the largest degree of coalification, commonly known as white coal or red coal, anthracite black hard, metallic luster, high fixed carbon content, low volatile fraction yield, high density, not easy to grind, hardness, high i
After gasification of raw coal in gas generator, solid residue is obtained, which is called slag or ash. Due to the different types of coal and gasification methods, the chemical composition and mineral composition of the slag varies, but its chemical
Lignite is the mineral coal with the lowest degree of coalisation, brown or brownish-black in appearance, with relatively low carbon content, high volatile matter, unbonded, easy to burn, most of which is lustreless, with a true density of 1.10-1.40g/c
Mineral form1、As the basic constituent elements of minerals, rare earths are endowed in the form of ionic compounds in the mineral lattice, constituting the indispensable components of minerals, such as monazite;2、As the impurity elem
Iron is found in nature in the form of compounds, especially in the form of iron oxides in particularly large quantities, but with more impurities. There are many kinds of iron minerals, about 300 kinds of iron minerals and iron-containing minerals hav
Tantalum-niobium ore is a general term for minerals containing tantalum and niobium, which can be mined as ores, mainly from tantalite, columbite and pyrochlore. Tantalum-niobium has a series of characteristics such as high melting point, good plastici
Characteristics of Sulphide Iron OreSulphide iron ore deposits are mainly formed under endogenous action, and the crystals are commonly hexagonal, octahedral and pentagonal dodecahedral. Sometimes it is golden yellow, sometimes brassy, and has a
