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The color of a mineral under cross-polarized light is called its interference color. Interference colors categorized by first, second, third, and fourth-order colors are shown in Figure 2.6.1: Figure 2.6.1. The Michel-Levy chart.
1 de dic. de 2003 · The Michel-Levy chart is utilized by comparing the highest-order interference colors displayed by the specimen in the microscope to those contained on the chart. Once the appropriate color has been located, the nearest vertical line along the interference color is followed to the nearest horizontal line representing the known thickness.
The second order is made up of the six basic colours: violet, blue, green, yellow, orange and red. The first three correspond to the retardations of one landa of their complementary colour, whilst the other three (yellow, orange and red) represent the retardations of two landa of their complementary colours. The next orders are also made up of ...
carta de colores de Michel-Lévy. De vctrac. Saltar a: navegación, buscar. carta de colores de Michel-Lévy (Michel-Lévy’s colour scale) Geol. Carta utilizada en la identificación de los minerales que permite obtener la birrefringencia de un cristal a partir del color de interferencia.
Figura 3.11. Relación entre el color de interferencia y orientación del corte del mineral Figura 3.12. Relación entre el color de interferencia y el espesor de la sección Figura 3.13. Relación entre color de interferencia y posición de la muestra sobre la platina Figura 3.14. Carta de colores de interferencia de Michel-Lévy Figura 3.15 ...
Michel–Lévy chart. A chart of standard colours used in measuring birefringence. In crossed-polarized light, thin sections of anisotropic minerals with a standard thickness of 0.03 mm (30 μm) will give a series of interference colours, depending on the amount of birefringence (double refraction). A number of sections are examined in ...
Michel-Lévy Color Chart - Free download as PDF File (.pdf), Text File (.txt) or read online for free. The document discusses polarization microscopy techniques for mineral identification, including orthoscopy and conoscopy. It provides details on how to use a Carl Zeiss microscope for these techniques and determine properties like birefringence.
