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The nature and characteristics of Water magnesite in Nagqu Bango Lake, Tibet by Messi Biology

Messi Biology said, Hydromagnesite is a rare natural hydrated alkaline magnesium carbonate in the world, commonly known as \”magnesium white\”. Its appearance is white block, earthy luster, \”snow-white\” or \”white-flower\” called, density is 2.24g.cm3, Mohs hardness is 3.5, melting point is 730 ℃, is monoclinic crystal structure 123l. The ore is porous and small bubbles float out when it is put into water. Early researchers gave the chemical formula of hydromagnesite mainly in the form of 3MgCO3-Mg(OH)2-3H2O, 4MgCO3-Mg(0H)2-3H2O and 4MgCO3-Mg(OH)2-4H2O, later on, after a large number of experts certified, the current accepted formula is the one containing four water molecules, i.e. 4MgCO3-Mg(OH)2- In addition, the ore also contains small amounts of CaCO3, Fe2O3, SiO2 and other impurity components.

Characteristics of hydromagnesite.

A, high magnesium content – in the current proven non-metallic minerals containing magnesium, water magnesite magnesium content ranks fourth, after hydromagnesite (Mg(OH)2), magnesite (MgCO3) and magnesia olivine (Mg2SiO4).

Second, rich reserves – in China\’s Qinghai-Tibet Plateau salt lake area has a number of water magnesite deposits. Only in the Tibetan Bangor Lake area, water magnesite reserves are more than 100 million tons, belonging to large deposits, but also in the Tibetan salt lake in the highest reserves of one of the four minerals, has an important industrial development value.

Third, low impurity content – calcination products in addition to the original impurities, mainly magnesium oxide and gas carbon dioxide and water, is an environmentally friendly product. One of the original impurities CaCO3, Fe2O3, SiO2 content is very low, its application generally does not have an impact. If you need to prepare high-purity products, because of its low impurity content, it is also easier to remove, so water magnesite is a natural high-quality mineral resources for the preparation of magnesium materials, with good development prospects and use value.

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