The name of this movie is "Missile to the Moon" (1958). Rock monsters, a giant spider monster and beautiful girls in an air filled cave, lots of heat from the sun, great big diamonds and a alien, from the moon, who came to earth, but does not make it back to the moon.

This is the movie you are looking for (saw it as a child in a movie theater). Look for it on Amazon and other websites. A great little "gem" of a movie.

Hope this answers your questions.

Good Luck!!!

PS: I have a copy of this movie

The name of this movie is Missile to the Moon (1958). Rock monsters, a giant spider monster and beautiful girls in an air filled cave, lots of heat from the sun, great big diamonds and a alien, from the moon, who came to earth, but does not make it back to the moon.

This is the movie you are looking for (saw it as a child in a movie theater). Look for it on Amazon and other websites. A great little "gem" of a movie.

Hope this answers your questions.

Good Luck!!!

PS: I have a copy of this movie