Marble powder is used in a variety of industries: in paper production where it is the most important filler and coating pigment in the manufacturing process. The fillers and pigments give paper a high degree of whiteness, opacity, gloss and high printing quality at attractive prices.It is also known as calcium carbonate, a chemical compound with the formula CaCO3. At room temperature it is a white slightly soluble in water solid, which imparts a slightly basic reaction. Like other carbonates, it undergoes decomposition on heating or on contact with acidic substances, releasing carbon dioxide.Marbles are used principally for buildings and monuments, interior decoration, statuary, table tops, and novelties. Colour and appearance are their most important qualities.
Marble is composed of 38–42 percent lime (CaO), 20–25 percent silica (SiO2), 2–4 percent alumina (Al2O3), and 1.5–2.5 percent oxides (NaO and MgO), and 30–32 percent water (MgCO3 and others). Marble's chemical formula is calcium carbonate(CaCO3)In addition to calcium carbonate, marble may contain small amounts of other minerals, such as quartz, mica, feldspar, and iron oxides. These minerals can give marble its characteristic colors and patterns, which can vary widely depending on the geological environment in which it formed.
Texture - granular. Grain size - medium grained; can see interlocking calcite crystals with the naked eye. Hardness - hard, although component mineral is soft (calcite is 3 on Moh's scale of hardness). Colour - variable - pure marble is white but marble exists in a wide variety of colours all the way through to black .marble powder 150 microns,300 microns,500 microns,70 mesh,100 mesh 150 mesh ,200 mesh, 300 mesh, 400 mesh,500 mesh 1 mm, 2mm, 3mm ,4mm 5mm,.05mm ,24/52 mesh size,24/150 mesh, 30 /150 meh 50/150 mesh avliable
