Birthstone: Peridot.
Meaning: The birthstone for the month of August is peridot, which was commonly linked with protection against evil and night terrors, as well as a gem that enhanced the properties of healing drugs. Lime green in colour, this birthstone is a by-product of volcanic action, and comes in all sorts of shapes and sizes. This birthstone gives off its own unique energy, and is strong and durable. It is also the anniversary gemstone for the 16th year of marriage.