Garnet-mica schist, Almandine, Biotite, Muscovite, Quartz, Albite
Monteneve Mine, Moos in Passeier, Burggrafenamt, South Tyrol, Trentino-Alto Adige, Italy
Strongly foliated garnet-mica schist from the Monteneve mine, showing extremely cracked almandine porphyroblasts (spotty grey to black), in a fine-grained matrix consisting of quartz, plagioclase (colorless), biotite (brown), and muscovite (colorless), formed during upper greenschist facies metamorphism. Thin section, transmitted plane polarized ...
© Günter Grundmann, Detmold.