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Revisiting Natural “Opals” from Greece
Sergios Fotios Andronikidis, Janez Zavašnik, Angeliki Papoutsa, Andreas-Germanos Karydas, Antigoni Cheilari, Panagiotis Voudouris, Stefanos Karampelas, Anthanasios Godelitsas
Izvirni znanstveni članek
Oznake: moganite;quartz;silica;chalcedony;carnelian;29Si MAS NMR;micron-Raman spectroscopy;electron diffraction;ultramafic-hosted magnesite;Greece;
Natural silica materials traditionally described as “opal” encompass different structural states, and their macroscopic appearance does not necessarily reflect their crystallographic identity. This study re-examines “opal”-like materials associated with ultramafic-hosted magnesite deposits of northe ...
Leto: 2026 Vir: Institut Jožef Stefan (IJS)
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