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Limestone vs. Marble

Both limestone and marble are natural stone.

For each property being compared, the top bar is limestone and the bottom bar is marble.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 700
540
Elastic (Young's, Tensile) Modulus, GPa 77
54
Poisson's Ratio 0.25
0.2
Shear Modulus, GPa 30
27
Tensile Strength: Ultimate (UTS), MPa 100
9.0

Thermal Properties

Maximum Temperature: Mechanical, °C 360
250
Specific Heat Capacity, J/kg-K 920
870
Thermal Conductivity, W/m-K 2.1
3.1
Thermal Expansion, µm/m-K 8.0
21

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 8.0
8.5

Otherwise Unclassified Properties

Density, g/cm3 2.6
2.7

Common Calculations

Stiffness to Weight: Axial, points 16
11
Stiffness to Weight: Bending, points 55
47
Strength to Weight: Axial, points 11
0.93
Strength to Weight: Bending, points 18
3.6
Thermal Diffusivity, mm2/s 0.88
1.3
Thermal Shock Resistance, points 12
0.57