An emerald was discovered on a farm in North Carolina. The precious gem was found by a man named Terry Ledford. It may be the biggest emerald ever found in North America. Ledford had the emerald cut to look like a famous one. That well-known emerald was worn by Catherine the Great. She was a Russian leader in the late 1700s. Ledford's cut jewel ended up being nearly 65 carats. It is a little larger than a quarter. It is about as heavy as an AA battery. Do It! Ledford's discovery was A mysterious B useful C necessary D fortunate