| Melting point (at pressure p=125kbar) | 4373 °C |
| Specific heat | 0.52 J g-1 °C-1 |
| Thermal conductivity | 6-20 W cm-1 °C-1 |
| Thermal diffusivity | 3-11 cm2/s |
| Thermal expansion, linear | 0.8·10-6 °C-1 |
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Thermal conductivity versus temperature for different diamond types (low temperatures) solid triangle, open circle, solid circle - Type Ia (three different specimens); open triangle, open square, solid square - Type IIb (Berman et ai [1975]). |
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Thermal conductivity versus temperature (high temperatures). solid circle, open square - Type Ia ; x -Type Ib; diamond -Type IIa; + - Type IIb (Burgemeister [1978]). |
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Thermal conductivity versus nitrogen concentration, 320 K. Measurements of various authors (Burgemeister [1978]). |
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Specific heat Cp versus temperature from 20 K to 300 K (DeSorbo [1953]) and Cp and Cv from 273 K to 1073 K (Viktor [1962]). |
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Temperature dependence of linear expansion coefficient α. (Slack and Batram [1975]). |
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