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Limestone vs. Grade A Lava

Limestone belongs to the natural stone classification, while grade A lava belongs to the oxide-based engineering ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is limestone and the bottom bar is grade A lava.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 700
76 to 170
Tensile Strength: Ultimate (UTS), MPa 100
6.9 to 21

Thermal Properties

Maximum Temperature: Mechanical, °C 360
650 to 1130
Specific Heat Capacity, J/kg-K 920
Thermal Conductivity, W/m-K 2.1
Thermal Expansion, µm/m-K 8.0
2.5 to 3.3

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 8.0
3.2 to 3.9

Otherwise Unclassified Properties

Density, g/cm3 2.6
2.3 to 2.5

Common Calculations

Strength to Weight: Axial, points 11
0.77 to 2.5
Strength to Weight: Bending, points 18
3.2 to 7.3
Thermal Diffusivity, mm2/s 0.88