Gneiss from the Bethlehem Gneiss series. Coarser grained. Thin section contains biotite, muscovite, quartz, plagioclase, and alkali feldspar. Hand sample is coarser than NH-3 and contains quartz, feldspars, and micas. From the same locality as NH-4.
Is Part Of
Purchased from Western Minerals, Inc.
Number of Thin Sections