pegmatite granit, gabbro pegmatite lan pegmatite diorite
schists mica, schists calc-silicate, schists grafit, blueschists, whiteschists, greenschists, hornblende Schist, talc Schist, chlorite Schist, garnet Schist, Schist glaucophane.
umume atos kanggo tutul, iku salah siji saka rock tuwa, sumber corundum, tourmalines, beryls lan topaz
gampang pecah dadi lancip piring, Gamelan kanggo tutul