ROCK YOUR WORLD
'A schism is a division into faction; <a href="http://www.j-archive.com/media/2011-06-06_DJ_08.jpg" target="_blank">this</a> type of rock, one letter different from "schism", has distinct <a href="http://www.j-archive.com/media/2011-06-06_DJ_08a.jpg" target="_blank">layers</a>'
a schist