What month's birthstone places highest on the Mohs scale?

More Questions:

Triple Sec is a clear liqueur of what flavor?

The Italian Giovanni Schiaparelli is best known today for naming most of the canals where?

What author wrote "The Murders in the Rue Morgue" short story?

Antananarivo is the capital of which African country?

Dhaka is the capital of which country?

In which state is the Grand Canyon located in?

What is the more common name for Hallux?

What are match "heads" made of?

How many wings does a butterfly have?

What movie concerns the search for One-Eyed Willie's pirate treasure?

In the TV show "Friends', who played the role of Rachael's sister, Jill?

Who is known as Slim Shady?

The Maginot line was a defensive system constructed to protect what?

What are the names of the 5 Space Shuttle Orbiters used by NASA on manned spaceflight missions?

Pont Neuf is the oldest bridge over the river Seine, located in which French city?