Perthite

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Pertita

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Etched Microcline with Quartz and Blue Albite

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Perthites dans feldspath alcalin au microscope polarisant (LPA)

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microcline mineral| alkali feldspar mineral in thin section| tartan twinning| cross hatched twinning

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Pertita Iva walon ke liye 200€ ka bonus

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Exsolutions dans un feldspath au microscope polarisant (LPA)

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Myrmekite texture developed by intergrowth of quartz in plagioclase

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Tectosilicates: Alkali Feldspars, Occurrences & Polymorphs

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Clinopyroxene tutorial Optical mineralogy

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quizz dark phoenix

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Perthian Meaning

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Sustituciones y exsoluciones.

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Virtual Microscope: Ορθόκλαστο, Χαλαζίας / Orthoclase, Quartz

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Virtual Microscope: Ορθόκλαστο, Πλαγιόκλαστο / Orthoclase, Plagioclase

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2162-40 | Andalusite / Andalousite (PPL)

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Virtual Microscope: Ορθόκλαστο, Χαλαζίας, Βιοτίτης / Orthoclase, Quartz, Biotite

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2162-43 | Chromite

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Virtual Microscope: Ορθόκλαστο / Orthoclase

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feldspar mineral in thin section | under optical microscope 🔬#petrography

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Virtual Microscope: Ορθόκλαστο / Orthoclase

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Orthoclase in thin section | K-Feldspar

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2162-34 | Chlorite (PPL)

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Virtual Microscope: Χαλαζίας, Ορθόκλαστο, Πλαγιόκλαστο / Quartz, Orthoclase, Plagioclase