Macroscopic: An andalusite, biotite schist with large and abundant garnet porphyroblasts. Low grade of metamorphism. Microscopic: Large andalusite and cordierite phenocrysts within very fine grained matrix. Thin section pictures in XPL unless otherwise noted in the title of the picuture. Thin sections are 3mm across.
Western Minerals, Inc.
Number of Thin Sections