On the Mohs scale, what is the softest mineral?

More Questions:

In 1992, what city hosted the first World Series game ever played outside the US?

What Thames River town lent its name to the collarless polo shirts first worn by its rowing team?

What game can you "squidge', "squop" and "pot out" in?

In what century did Leonardo Da Vinci paint the "Mona Lisa"?

Grace Metalious wrote which famous novel and TV show by the same name?

Who described his most famous painting as "the Camembert of time"?

What modern country includes the ancient region of Mesopotamia?

What is the most mountainous country in Europe?

Which Californian national park shares its name with a U2 album?

Who play the burglars in, Home Alone?

What year saw the end of the TV show "Friends"?

What were 2 out of 3 of Andrew Lloyd Webbers wives called?

Who was appointed the first leader of the Tuskegee Institute in 1881?

Who wrote the play "The Rose Tattoo"?

What year did the Trans-Siberian Orchestra release their debut album entitled "Christmas Eve and Other Stories"?