Wikimedi'Òc

Museum Reich der Kristalle - Quarz (Hagendorf, Obpf.).JPG - High Contrast

Eclogite (Muenchberg Gneiss Massif; Early Ordovician protolith, about 480 Ma; Late Devonian metamorphism, about 365 Ma; Wissenstein, just south of Stammbach, Frankenwald Forest, Bavaria, southeast-central Germany) 2 (15074937706).jpg - Ser Amantio di Nicolao