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Chemical components
|
Components |
SiO2 |
Al2O3 |
MgO |
K2O |
H2O |
|
Contents% |
36-45 |
10-17 |
19-27 |
7-10 |
<1 |
Physical properties
|
Density(g/cm3) |
Transparency (%) |
Mosshardness |
Whiteness |
Refractive index |
Coefficient of elasticity (10 6Pa) |
|
2.7-2.9 |
0-25.5 |
2.78-2.85 |
60-70 |
1.6-1.55 |
1394.5-1874 |
