Ueber Perthitfeldsp the ... ist eine detaillierte Abhandlung von Otto Wenglein ber Perthitfeldspat. Das Buch, ver ffentlicht im Jahr 1903, untersucht die mineralogischen und geologischen Eigenschaften von Perthit, einem Feldspatmineral. Wenglein liefert eine umfassende Analyse, die f r Geologen, Mineralogen und Studierende der Geowissenschaften von Interesse ist. Diese Schrift bietet einen wertvollen Einblick in die mineralogische Forschung des fr hen 20. Jahrhunderts.
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