August has three birthstones: peridot, spinel and sardonyx. Peridot is a yellow-green gemstone that comes from the mineral olivine. Its name derives from the Arabic word "faridat," which means "gem." ...
Peridot, spinel and sardonyx are the birthstones for August. Peridot is a yellow-green gemstone. In the past, it was confused with other gems, such as topaz and emerald. The gemstone is often ...