August birthstone peridot or spinel
Zodiac sign: Virgo
Anniversary stone: 16th anniversary (peridot)
Anniversary stone: 22nd anniversary (spinel)
Apostle: James (son of Alpheus)
Month flower: Poppy
Hindu month gem: Ruby
For more information about the history of birthstones, try The Curious Lore of Precious Stones by George Frederick Kunz, a fascinating compendium of all the powers that have been associated with gemstones through the ages.