jinis
Minette, alnoite, camptonite, monchiquite, fourchite, vogesite, appinite lan spessartite
schists mica, schists calc-silicate, schists grafit, blueschists, whiteschists, greenschists, hornblende Schist, talc Schist, chlorite Schist, garnet Schist, Schist glaucophane.
fitur
tansah ditemokake minangka pipo vulkanik liwat lemah ndhuwur Continental jero, tuan rumah rock kanggo diamond, iku salah siji saka rock tuwa, lumahan asring mengilap
gampang pecah dadi lancip piring, Gamelan kanggo tutul