ATHENA OpticMin © Pierre Perroud (2016): Search common rock forming minerals from optical properties observed with the petrographic microscope
ORTHOPYROXENE 1 volcanic rock and magmatic rock - ORTHOPYROXENE 2 high grade metamorphic rock
This plate is part of the "Atlas of rock-forming minerals (transmitted light)" by Susanne Theodora Schmidt © (2019), University of Geneva, 108 p.