Alexandrite comes from a rare variety of mineral that changes color ... Peridot, spinel and sardonyx are the birthstones for August. Peridot is a yellow-green gemstone. In the past, it was ...

Hailey gave birth to son Jack Blues in August, which explains choosing the peridot ... mineral olivine, one of the few gemstones that occur in only a single color that is one of the birthstones ...