Fig. 3. Myrmekite occurring between a K-feldspar crystal (black) and a Carlsbad-twinned plagioclase crystal (white and light gray). Inclusions of quartz (white), biotite (tan), and allanite (round brown grain) occur in the plagioclase. Rock has not been mylonitized, so plagioclase, quartz, biotite, and allanite have not been granulated.