algoma-jinis, lake superior-jinis, unggul-jinis lan taconite
schists mica, schists calc-silicate, schists grafit, blueschists, whiteschists, greenschists, hornblende Schist, talc Schist, chlorite Schist, garnet Schist, Schist glaucophane.
iku salah siji saka rock tuwa
gampang pecah dadi lancip piring, Gamelan kanggo tutul