词条 | Interference colour chart |
释义 |
In optical mineralogy an interference colour chart, first developed by Auguste Michel-Lévy, is a tool to identify minerals in thin section using a petrographic microscope. With a known thickness of the thin section, minerals have specific and predictable colours in cross-polarized light, and this chart can help identify minerals. The colours are produced by the difference in speed in the fast and slow rays, also known as birefringence. When using the chart, it is important to remember these tips:
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External links
2 : Optical mineralogy|Petrology |
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