View Phyllite In Thin Section Background. Phyllite in hand sample and thin section. Phyllite has good fissility (a tendency to split into sheets).
700 x 516 jpeg 111 кб. In optical mineralogy and petrography, a thin section (or petrographic thin section) is a laboratory preparation of a rock, mineral, soil, pottery, bones, or even metal sample for use with a polarizing petrographic microscope, electron microscope and electron microprobe. Phyllite is between slate and schist in the spectrum of metamorphic rocks.
Quartz is largely recrystallized and granoblastic in thin section (e.g.
Phyllite is a foliated metamorphic rock that forms under low levels of heat and pressure. • gneiss from uxbridge, massachusetts: Muscovite) in xpl, in a phyllite. Note the ~120 degree cleavages in some of the tremolite sections.