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Apatite is the main mineral of phosphorus, which is an important chemical raw material and an essential element for the growth of crops, and most of the phosphorus ores are produced in sedimentary rocks. Free phosphorus is divided into white phosphorus
Graphite is an allotrope of the element carbon, belonging to the conductor of electricity, is a form of existence of the element carbon. Graphite is a black fixed, soft texture, insoluble in water, greasy feeling, hardness of 1 to 2, melting point of m
Chlorite is a clay mineral with a fine texture and low hardness, making it easy to machine. Chlorite is often found in association with quartz, kaolinite, montmorillonite, geodes, and other minerals. Chlorite often exists in the form of leafy, fibrous,
Nature of iron oxide redIron oxide red, also known as iron oxide red, iron Dan, rust red, red iron oxide powder, there are natural and man-made two kinds. The natural one is called western red, which is basically pure iron oxide and is red powde
The main component of bauxite is alumina, which is the main raw material for aluminum refining and refractory materials. White or gray-white, brownish yellow or light red due to the iron content. Density 3.45g/cm3, hardness 1 ~ 3, opaque, brittle. Extr
Refractoriness not less than 1580 ℃ a class of inorganic non-metallic materials. Refractoriness is a refractory material cone specimen in the absence of load, resistance to high temperature without softening the role of melting down the temperature i
Iron oxide green properties: iron oxide green is chemically stable, with strong absorption of ultraviolet rays, light resistance, resistance to atmospheric filtration and other good properties, its dust will cause pneumoconiosis, the highest permissibl
Nature of iron oxide iron oxide is reddish brown powder, soluble in hydrochloric acid, melting point 1565 ° C, boiling point 3414 ° C, density 5.24 g/cm³, insoluble in water, do not react with water, is the main component of rust, according to the c
Andesite a neutral calc-alkaline ejecta rock. Its composition is equivalent to amphibolite. It is dark gray, light rose, and dark brown in color. Patchy structure. Porphyry is mainly plagioclase feldspar and dark minerals. The dark minerals are mainly
Clay is the raw material of pottery, it refers to the clay containing iron with yellowish brown, grayish white, reddish purple and other shades, the color is not pure, often with yellow, gray and other colors, with good plasticity, its mineral composit
