The Monolith Monsters

The Monolith Monsters is a 1957 sci fi horror movie. It was directed by John Sherwood and stars Grant Williams and Lola Albright. It was based on a short story by Jack Arnold and Robert M. Fresco. Fresco and Norman Jolley wrote the screenplay. Troy Donahue and "The Donna Reed Show" regular Paul Petersen have uncredited roles.
Story.
A meteor crashes near the desert town of San Angelo. Fragments are scattered everywhere. They grow into skyscraper-sized monoliths. These monsters fall and shatter into thousands of pieces that grow into monoliths themselves. People are crushed or turned into statues.