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

More Questions:

What jumping PlayStation marsupial debuted in 1996 as Sony's answer to Super Mario?

Mary Lou Retton won five medals in what sport at the 1984 Summer Olympics?

An insurance policy that is "underwritten" is one that has been what?

Who steers the shell and motivates the rowers in a crew race?

What musical is based on the trials of murderesses Beulah Annan and Belva Gaertner?

The Gorbals is a district of which city?

Who played Mr. Orange in the movie "Reservoir Dogs"?

Who provided the original voice for Marge Simpson?

Which actress, famous for her fruit hats, was the inspiration for the Chiquita banana logo?

Which US band had a 1974 hit song with "Billy Don't Be a Hero"?

In the TV show Futurama, what was Uranus renamed to?

Who were the architects of the Parthenon?

Who was better known as "Sundance Kid"?

What is the name of the ship Darwin sailed on when he made his historic visit to the Galápagos Islands?

Which two sisters are the only ones to win the ACM’s Top Female Vocalist award?