The name for this semi-precious stone comes from the Latin for "sea water"?

More Questions:

What number have you rolled in a game of craps, if you roll "boxcars"?

Who invented the Moog synthesiser?

What high civilian Indian award was Mother Teresa awarded?

Which famous adventure story features an Inn called "The Black Spot"?

What fruit was referred to as "Golden Apple" in Greek myth?

What type of musical instrument is crafted with two parallel pipes, one known as a chanter and the other a drone?

What musical was shut down by the government and its cast forced to leave the country when it opened?

In which country would you find the Negev desert?

What plant makes up most of the koala's diet?

What is the dog breed "Borzoi" sometimes called?

Whose big break was playing Vinnie Barbarino on the TV show "Welcome Back Kotter"?

What firm made the B25 Micro Computer?

Which character from The Simpsons tries to kill Bart Simpson on many occasions?

Who is the fourth member of the group LOONA to debut?

The William J. Clinton Presidential Library is located in which US capital?