19th Cent Art: Sculptor's "George Washington", 1841, was too "god-like" for Americans?

Questions

Most gemstones contain several elements. Except the diamond which is all what?

Most men have what every hour to hour & a half during sleep?

Most reported cases of poltergeist activity, reveals that one or more _______ is present.?

Mount Rushmore state?

Mount Victoria is the highest peak of this island country.?