its on the little island in the dessert

its near the water in the desert just keep luking and ask the mimmie and he will tell u a
hint

firstly buy a metal detector ( its worth the money)
make sure its charged ( charge at the furnace)
then go to the beach/oasis in the desert
go in the water and on the shore and it should say ???
U have found the sarcphagus
hide it in your room
the mummy will live with you

hope this helps