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Alkali-lime-silica Glass vs. Granite

Alkali-lime-silica glass belongs to the glass and glass-ceramics classification, while granite belongs to the natural stone. There are 7 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is alkali-lime-silica glass and the bottom bar is granite.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.7
2.9
Dielectric Strength (Breakdown Potential), kV/mm 28
8.5
Elastic (Young's, Tensile) Modulus, GPa 78
70
Flexural Strength, MPa 34 to 170
24
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 53
48
Thermal Expansion, µm/m-K 9.0
7.4