tv/ movies: Born Aug 6, 1911, She starred in this movie: Bottoms Up - 1934?

Questions

Geology : The violet variety of quartz is called ________.?

Geology : There are three types of rocks: metamorphic, sedimentary, and _________.?

Geology : These limestone deposits rise from the floor of caves.?

Geology : This is the hardest naturally occurring substance.?

Geology : What name is used to describe permanently-frozen subsoil?