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Gneiss vs Limestone (medium density)
Property comparison of Gneiss and Limestone (medium density), both stone.
| Property | Gneiss | Limestone (medium density) | Difference |
|---|---|---|---|
| Elastic modulus | 45,000 MPa | 30,000 MPa | -33% |
| Poisson ratio | 0.2 | 0.34 | +70% |
| Density | 2,700 kg/m³ | 2,400 kg/m³ | -11% |
| Thermal conductivity | 2.5 W/m·K | 1.7 W/m·K | -32% |
| Specific heat | 800 J/kg·K | 840 J/kg·K | +5% |
| Coefficient of thermal expansion | 0.000007 1/K | 0.000008 1/K | +14% |
Difference is Limestone (medium density) relative to Gneiss. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
Gneiss
- standard
- ASTM C615
Limestone (medium density)
- standard
- ASTM
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