Pumice (vesicular volcanic) vs Rhyolite (silicic volcanic)
Property comparison of Pumice (vesicular volcanic) and Rhyolite (silicic volcanic), both stone.
| Property | Pumice (vesicular volcanic) | Rhyolite (silicic volcanic) | Difference |
|---|---|---|---|
| Tensile strength | 1 MPa | 12 MPa | +1100% |
| Poisson ratio | 0.2 | 0.2 | 0% |
| Density | 700 kg/m³ | 2,500 kg/m³ | +257% |
| Thermal conductivity | 0.12 W/m·K | 2.5 W/m·K | +1983% |
| Specific heat | 840 J/kg·K | 920 J/kg·K | +10% |
| Coefficient of thermal expansion | 0.000008 1/K | 0.000008 1/K | 0% |
Difference is Rhyolite (silicic volcanic) relative to Pumice (vesicular volcanic). 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 D7012
- standard
- ASTM D7012
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