Peridot is a green colored gemstone popular in sterling silver jewelry. Unlike many other gemstones, Peridot is only found in a vibrant green color. In addition to being found around the world, amazingly it's the only known gemstone to be found in meteorites. Peridot is the birthstone for August.
Citrine
Citrine is a variety of quartz whose color varies from yellow to brown. Using just the naked eye, it is almost impossible to tell from yellow topaz as they mainly differ only in hardness. Almost all citrine originates from Brazil. Citrine is one of the birthstones of November.