Optic sign - PowerPoint PPT Presentation

Light in Mi ner als II

Light in Mi ner als II. Light in Minerals. Polarization: Vibration directions The Petrographic Microscope Measuring Index of Refraction Pleochroism Birefringence: Optical anisotropy The Indicatrix: Uniaxial Minerals Biaxial Minerals. Petrographic Microscope. Scope. Becke Line Method.

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462 views • 39 slides

Optical Mineralogy

Optical Mineralogy. Interference Figures 1. Uniaxial Figures. Optical Indicatrix and Interference Figures: LAB TS-3: Uniaxial minerals Interference figures Optic sign Pleochroic scheme LAB TS-4: Biaxial minerals Interference figures Optic sign Pleochroic scheme.

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337 views • 31 slides

Optical Mineralogy in a Nutshell

Optical Mineralogy in a Nutshell. Use of the petrographic microscope in three easy lessons. Part III. Slides borrowed/adapted from Jane Selverstone (University of New Mexico) and John Winter (Whitman College). Some review…. Optical mineral properties ONLY visible in PPL:

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590 views • 28 slides

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