Quartz
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| Photograph of a quartz molecular model, courtesy of Indigo® Instruments. |
Found naturally as faceted crystals. Its birefringent properties are used in the production of optical quarter-wave plates and polarizers. A mineral whose primary component is silicon dioxide (SiO2). Its colour and other aspects of its appearance depended on the impurities present.- Symbol
- SiO2
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| Density | 2649 | kgm-3 | Clip |
| Melting Point | 1740 | K | Clip |
| Youngs modulus | 7.65e10 to 9.72e10 | Nm-2 | Clip |
| Linear expansivity | 0.0000005 | K-1 | Clip |
| Specific heat capacity | 710 | Jkg-1K-1 | Clip |
| Thermal conductivity | 6.2 to 10.7 | Wm-1K-1 | Clip |
| Dielectric constant | 4.5 | Clip | |
| Mohs Hardness | 7 | Clip |
paste all data into clipboardSee also: Fused Silica, Silicon Dioxide.
Subjects: Chemistry
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