The magnesite is crystalline in the form of lumps, usually white or gray, with specific gravity of 2.9-3.1, hardness of f=6-8 and higher purity, which is raw materials of superior quality for the iron and steel industry, the non-ferrous metal smelting, the building materials industry, the chemical industry, the papermaking industry, etc.

（菱镁石图与理化表、露天开采图）

 

The opencast magnesite is broken, screened and fired, then sold.

Brand	Chem. Comp.(%)			Size (mm)
	MgO ≥	SiO2 ≥	CaO ≤
LM-47	47	0.6	0.6	to all Sizes
LM-46	46	1.2	0.8
LM-45	45	1.5	1.5
LM-43	43	3.5	1.5
LM-41	41	2.0	6.0

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