noun
a medium- to coarse-grained metamorphic rock that has a banded appearance and is formed by the recrystallization of minerals under high temperature and pressure
-
The geologist identified the rock as schist due to its foliated structure.
-
I found a cool looking schist rock while hiking in the mountains.
-
That schist rock is so shiny, I want to take it home!
-
The layers of schist in her personality revealed a complex and interesting character.