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Granite vs. High-silica Glass

Granite belongs to the natural stone classification, while high-silica glass belongs to the glass and glass-ceramics. 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 granite and the bottom bar is high-silica glass.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.9
2.4
Dielectric Strength (Breakdown Potential), kV/mm 8.5
34
Elastic (Young's, Tensile) Modulus, GPa 70
78
Flexural Strength, MPa 24
34
Stiffness to Weight: Axial, points 14
19
Stiffness to Weight: Bending, points 48
61
Thermal Expansion, µm/m-K 7.4
0.6 to 0.75