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Interference colour chart

In optical mineralogy, an interference colour chart, also known as the Michel-Levy chart, is a tool first developed by Auguste Michel-Lévy 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…

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Interference colour chart

Nodes23
Edges22
Triples0
Avg. degree1.91
Density0.086957
Components1

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light sample difference minerals optical chart known birefringence interference thickness phase path contrast perpendicular wavelength displaystyle analyser illumination comes colour

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