WebDec 16, 2024 · Most optical mineralogy today involves specially prepared thin sections (0.03-mm-thick specimens of minerals or rocks mounted on glass slides). Video 1 (linked … Optical mineralogy involves studying rocks and minerals by studying their optical properties. Some of these properties are macroscopic and we can see them in mineral hand specimens. But generally we use a petrographic microscope, also called a polarizing microscope (Figures 5.1 and 5.2 show examples), and … See more Before starting a discussion of optical mineralogy, it is helpful to take a closer look at light and its properties. Light is one form of electromagnetic radiation (Figure 5.6). Radio waves, … See more The vibration direction of a light wave (which is the direction of motion of the electric wave) is perpendicular, or nearly perpendicular, to the direction the wave is propagating. In … See more [In the discussion below, references are made to crystal systems and to crystallographic axes. But we do not talk about them in detail … See more
Use of the petrographic microscope
WebTitle: Optical Mineralogy 1 Optical Mineralogy Wave Theory 2 X Amplitude Frequency of waves/sec to pass a given point (hz) f v/l v velocity 2 Electromagnetic spectrum visible portion Violet (400 nm) ? Red (700 nm) White ROYGBV (can be separated by dispersion) 3 Refraction Incident ray and reflected ray 1) ? of incidence i ? of reflection r' WebJul 19, 2014 · Optical Mineralogy. WS 2012 /2013. Crystal systems and symmetry. The crystal systems are sub-divided by their degree of symmetry…. CUBIC > TETRAGONAL, … black and decker plastic storage cabinet
Optical properties (Chapter 9) - Minerals - Cambridge Core
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