You just won~!!!!
<Khttp://www.overstock.com/guides/august-birthstone-information>
The birthstones for August are a light green semiprecious stone called a peridot and a form of onyx called a sardonyx. Peridot is an olive-green stone similar to an emerald. Sardonyx is a form of onyx with a red hue. Peridot and sardonyx are made into a variety of jewelry pieces, including earrings, bracelets, rings and pendants and both make beautiful additions to any jewelry collection.

its a gem