Polarisationsmikroskopie: Aegirin in Grorudit (Quarz-Tinguait)
Aegirin-Phänokristalle in einer Matrix aus Quarz, Aegirin und Mikroklinmikroperthit.
Gesteinsdünnschliff (25 µm Dicke); 50fache Vergrößerung.
Oben: einfach linear polarisiertes Licht; unten: gekreuzte Polarisatoren.
Alte Dünnschliffsammlung (Voigt & Hochgesang, Göttingen), Schliff 136, Rosenbusch II, Ganggesteine, Aplitische Gesteine.
Fundort: Grorud bei Christiania, Norwegen.
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| Sections | Motive: Wissenschaft Natur: Steine & Mineralien Natur: Mikroskop-Aufnahmen |
| Folders | Gesteinsdünnschliffe |
| Views | 6,470 |
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