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Andesite (volcanic intermediate) vs Gneiss
Property comparison of Andesite (volcanic intermediate) and Gneiss, both stone.
| Property | Andesite (volcanic intermediate) | Gneiss | Difference |
|---|---|---|---|
| Tensile strength | 15 MPa | 16 MPa | +7% |
| Poisson ratio | 0.22 | 0.2 | -9% |
| Density | 2,600 kg/m³ | 2,700 kg/m³ | +4% |
| Thermal conductivity | 2 W/m·K | 2.5 W/m·K | +25% |
| Specific heat | 880 J/kg·K | 800 J/kg·K | -9% |
| Coefficient of thermal expansion | 0.000007 1/K | 0.000007 1/K | 0% |
Difference is Gneiss relative to Andesite (volcanic intermediate). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
Andesite (volcanic intermediate)
- standard
- ASTM D7012
Gneiss
- standard
- ASTM C615
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