Optical Mineralogy pleochroism glaucophane 3
Glaucophane in plane polarized and cross polarized light, showing blue to purple pleochroism. In cross-polarized light, note birds-eye extinction in phengite (muscovite).
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Crystallography Mineralogy: Lecture 2. Symmetry in crystals [Part 2]http://www.world-earthquakes.com
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Mineralogy Deformation in Quartz - Undulatory Extinction
Mineralogy Deformation in Quartz - Undulatory Extinction
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Introduction to Mineralogy | Physical Properties of Minerals (1/10)* Closed Captions are available for this video and can be turned on using CC button. Speed of the video can be changed from Settings menu. Mineralogy is a vast subject with multi-disciplinary uses and is an integral part of earth sciences. Let us start by keeping all the terms and the definitions clear, answering what mineralogy is along with clearly understanding what constitutes a mineral. Website: https://mineralscience.wordpress.com/
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