The Guiyang stone is another kind of product in the functionality environmental protection mineral, also is mineral crystalline, which has two kind of color,white and red. Its emission of anion is the best in mineral, others are tourmaline, Qibing stone, Maifan stone, etc., in the next place ……at the same time, also has the stronger anion, far infrared ray radioactivity stronger . its

Chemical composition ：
SiO2: 66-77% Al2O3: 12-19% Fe2O3: 0.1-0.7%
TiO2: 0.02-0.03% CaO: 0.18-0.4% MgO: 0.06-0.11%
K2O: 4-6.5% Na2O3: 3.5-6.5%
Lg,: 0.2-0.43% other: 8.5-13% above！
It is extensive mainly used in dope , paint, cosmetics , health care , daily-use chemical industry , environmental protection, construction material , medical treatment , handicraft , plastic, etc,.