jinis
Batu ultramafik
schists mica, schists calc-silicate, schists grafit, blueschists, whiteschists, greenschists, hornblende Schist, talc Schist, chlorite Schist, garnet Schist, Schist glaucophane.
fitur
Dadi bagéan ndhuwur lapisan bumi, umume atos kanggo tutul, iku salah siji saka rock tuwa
gampang pecah dadi lancip piring, Gamelan kanggo tutul