The main raw materials used in the cement manufacturing process are limestone, clay, sand, shale and iron ore. Limestone is usually mined on site while the other minor materials may be mined either on site or in nearby quarries. Another source of raw materials is industrial by-products. The use of by-product materials to replace natural raw materials is a key element in achieving...

Calcite in pulverized form use mostly as filler in rubber and textile goods. A considerable quantity is also used in the ceramics industry for the preparation of glazes.Calcite could be used in insecticides.It is also used in the manufacture of cement, calcium carbide, metal polish and sometimes also as a fluxing agent.Many important chemicals are created from Calcite...

Dolomite is one kind of carbonate mineral which includes iron dolomite and manganese dolomite. The dolomite can be used in building materials, porcelain, glass and refractory after crushing. In chemical industry, agriculture, environmental protection, energy conservation, etc, the dolomite is also in a great demand. In Oriental company, you could find the...

Gypsum is a particularly useful processed material. Its main application is as a building material, mostly produced as so-called plaster of Paris for plastering walls and making decorative features in buildings. However gypsum also has a diversity of other uses including making writing chalk, soil conditioning for agriculture, making moulds for pottery, as an...

Most useful metal in the world, Iron, is extracted from iron ore. It is the rock from which metallic iron can be economically extracted. Iron ore is a mineral substance which, when heated in the presence of a reductant, will yield metallic iron (Fe). The iron ore, usually, very rich in iron oxides (Fe3O4 and Fe2O3). Iron ores are mostly dark grey to...

Gold is a precious metal mined to create practical and ornamental pieces of work. Refined gold ore can be melted, poured and cast into almost any shape to make jewelry. There are numerous industrial applications for gold, as well. Many electronics and medical devices rely on gold’s ability to conduct electricity and resist corrosion.Gold in the ore...

Most copper is used for electrical equipment, construction, such as roofing and plumbing, industrial machineri, such as heat exchangers and alloys. The main long established copper alloys are bronze, brass (a copper-zinc alloy), copper-tin-zinc, which was strong enough to make guns and cannons, and was known as gun metal, copper and nichel, known...

Bauxite mine is one kind of ore minerals collectively formed mainly by gibbsite, a boehmite or a diaspore which can be used in industry. Bauxite mine can be used widely in many industries among which the most important is to be used for refining aluminum in aluminum Industry, refractory and abrasive materials, and raw materials for high alumina...