looking for a movie name

i seen a movie when i was a child about these guys going to a pyrmaid and when they got there, there was a pool filled with jewels and they put on scuba gear and went in and a creature ate everything but their skulls.

i cant remember the name of it. it had to have been made around 1960s.

if anyone knows what im talking about please help!!

thanks

[PhilnEdee]

No idea...none at all. :(