Peridot is the accepted birthstone for August. It is also the accepted
anniversary gemstone for the 16th year of marriage.
Peridot should be a lively lime green, without a brownish or olive cast.
Peridot is the child of volcanic action. Tiny peridot crystals are sometimes
combed from the black sands of Hawaii.
Peridots were favored by pirates, considered powerful amulets against all
evil, and when set in gold, were said to protect the wearer from the terrors
of the night. They had medicinal uses, too. If fashioned into a chalice from
which medicines were drunk, they intensified the effects of the drug.
Care should be taken to protect peridot from scratches, sharp blows,
household chemicals and extreme temperature changes. Do not use a home
ultrasonic machine for cleaning.
The peridot is abundant, and is available in larger sizes. It is found in
Burma and the U.S.
The most important source of peridot in the world is the San Carlos Apache
Indian Reservation near Globe, Arizona, where it is mined by native
Large sizes are mined in Myanmar (Burma) and peridot is also found in China.