The stone of the resurrection can give you a second chance in the second of his death, but can not literally raise the dead. AlthoughDumbledore knew very well that, he eagerly sought by the stone during his youth. Last for generations, it was in the hands of Marvolo Gaunt,Voldemort's grandfather, who placed a ring. The ring passed to MorfinGaunt. Voldemort stole the ring from his uncle, and it created a Horcruxwas destroyed by Dumbledore. Dumbledore passed the stone to Harry.After she saved him, the boy abandoned in the forest. Now she is lostforever.