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Alpha Quartz vs. Granite

Alpha quartz belongs to the non-glass optical ceramics classification, while granite belongs to the natural stone. There are 10 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is alpha quartz and the bottom bar is granite.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.7
2.9
Elastic (Young's, Tensile) Modulus, GPa 91
70
Poisson's Ratio 0.13
0.25
Shear Modulus, GPa 31
27
Specific Heat Capacity, J/kg-K 720
840
Stiffness to Weight: Axial, points 19
14
Stiffness to Weight: Bending, points 57
48
Thermal Conductivity, W/m-K 8.5
2.7
Thermal Diffusivity, mm2/s 4.4
1.1
Thermal Expansion, µm/m-K 9.5
7.4