Bd-Qing
  
  - Bd-Qing Details
 
  - Category: Granite
 
  - Country of origin:China 
 
  - Main Color:Dark gray
 
  - Chemical Composition(%) 
 
  - 
  
    
    
      | SiO2: | 
      Fe2O3:  |  
    
      | Al2O3:  | 
      CaO: 12.09 |  
    
      | MgO:  | 
      Na2O: ,2.64,<1,132.00,15.00 |    
  - Physical Properties 
 
  - Density(g/cm3):2.50 
 
  - Water Absorption(%):<1 
 
  - Bending Strength(MPa):156.60 
 
  - Hardness/modulus of elasticity(MPa)::15.00 
   
Bd-Qing Description  Bd-Qing is a very hard, crystalline, igneous rock primarily composed of feldspar, quartz, orthoclase or microcline accompanied by one or more dark minerals. It is visibly homogeneous in texture. 
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