Marble (typical calcareous) vs Pumice (vesicular volcanic)
Property comparison of Marble (typical calcareous) and Pumice (vesicular volcanic), both stone.
| Property | Marble (typical calcareous) | Pumice (vesicular volcanic) | Difference |
|---|---|---|---|
| Poisson ratio | 0.25 | 0.2 | -20% |
| Density | 2,700 kg/m³ | 700 kg/m³ | -74% |
| Thermal conductivity | 3 W/m·K | 0.12 W/m·K | -96% |
| Specific heat | 880 J/kg·K | 840 J/kg·K | -5% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000008 1/K | -33% |
Difference is Pumice (vesicular volcanic) relative to Marble (typical calcareous). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM
- standard
- ASTM D7012
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