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- Interference_colour_chart abstract "An interference colour chart, first developed by Auguste Michel-Lévy, is an optical mineralogy 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:Isotropic and opaque (metallic) minerals cannot be identified this way.Rotate the stage in order to get the maximum colour, and therefore, the maximum birefringence.Each mineral, depending on the orientation, may not exhibit the maximum birefringence. It is important to try and find multiple like minerals in order to get the best value of birefringence.Uniaxial minerals can look isotropic (always extinct) if the mineral is cut perpendicular to the optic axis. (But this situation can be revealed with the Conoscopic interference pattern).".
- Interference_colour_chart wikiPageExternalLink index.html.
- Interference_colour_chart wikiPageExternalLink InterferenceChart.jpg.
- Interference_colour_chart wikiPageID "25124673".
- Interference_colour_chart wikiPageRevisionID "518200563".
- Interference_colour_chart hasPhotoCollection Interference_colour_chart.
- Interference_colour_chart subject Category:Optical_mineralogy.
- Interference_colour_chart subject Category:Petrology.
- Interference_colour_chart comment "An interference colour chart, first developed by Auguste Michel-Lévy, is an optical mineralogy 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.".
- Interference_colour_chart label "Interference colour chart".
- Interference_colour_chart sameAs m.09gqf5n.
- Interference_colour_chart sameAs Q6046386.
- Interference_colour_chart sameAs Q6046386.
- Interference_colour_chart wasDerivedFrom Interference_colour_chart?oldid=518200563.
- Interference_colour_chart isPrimaryTopicOf Interference_colour_chart.
