Chlorite schist, Scheelite, Pyrite, Magnetite, Quartz
Emerald deposit, Leckbachgraben, Nasenkopf mountain, Bramberg am Wildkogel, Zell am See District, Salzburg, Austria
Weakly foliated chlorite schist consisting of ragged magnetite porphyroblasts (opaque), subhedral pyrite porphyroblasts (dark-green-grey), and polygonal scheelite aggregates (pale brownish-yellow) in a fine-grained matrix of chlorite (green) and quartz (colorless). Thin section, transmitted light digital image, width of image 3 cm.
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© Günter Grundmann, Detmold, Germany