Peridot is best known for it's lime green color. What most people don't know is that some peridot comes from space!
Peridot is Augusts traditional birthstone
It's unclear exactly where peridot got it's name from, there are a number of ancient words which could be it's root. most people believe the root word is faridat, meaning "gem" in Arabic. Other ancient cultures refereed to it as the "sun gem".
In addition to peridot, spinel and sardonyx are also known as August birthstones but peridot is the most well known.