User blog comment:The severus snape/Noticed something the other day.../@comment-27.0.57.98-20120820080959

a horcrux is a part of soul trapped i an object.you have to kill that soul in order to destroy it.harry was dying but he was not dead.fawkes rescued him so he did not die.and in the case of nagini she was completely ripped by the swordand so she died.