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Alpha Quartz vs. Alumina-lime-silica Glass

Alpha quartz belongs to the non-glass optical ceramics classification, while alumina-lime-silica glass belongs to the glass and glass-ceramics. There are 5 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 alpha quartz and the bottom bar is alumina-lime-silica glass.

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Material Properties

Density, g/cm3 2.7
Elastic (Young's, Tensile) Modulus, GPa 91
Stiffness to Weight: Axial, points 19
Stiffness to Weight: Bending, points 57
Thermal Expansion, µm/m-K 9.5