Zhangpu Black Basalt

Specifications

Zhangpu Black basalt tiles
honed finishing
Chinese basalt stone

Zhangpu Black basalt

 

A very hard, crystalline, igneous rock, gray to pink in color, composed of feldspar, quartz, and lesser amounts of dark ferromagnesium materials. Black "granites" are similar to true "granites" in structure and texture, but are composed of different miner

 

Chemical Composition(%)

• SiO₂: 53.17
• Fe₂O₃: 5.23
• CaO: 7.39

• Al₂O₃: 15.23
• MgO: 3.50
• Na₂O: 4.40

Physical Properties

Density(g/cm³): 2.81

Water Absorption(%): 0.13

Strength to bending(MPa): 136.10

Porosity hardness modules of elasticity(MPa): 34.70

 

 

welcome to inquiry more availablt other baslat colors: light black, dark black, light grey, dark grey, etc