Powdered peridot was prescribed for asthma and held under the tongue it was thought to lessen thirst in fever. The peridot is sometimes called the evening emerald because it seems to glow and take on a light of its own at night. Peridot belongs to the forsterite-fayalite mineral series. This stone can be transparent to translucent, yellowish green to greenish yellow to brownish green. In extremely rare instances it may be asteriated.
Peridot is suitable for all jewelry applications.
There are no commercial enhancements known. Never use ultrasonic and steamers. Warm soapy water is safe. This gem has an uneven reaction to heat which can cause fractures and breakage. The sapphire was used cure eye disease, plague, antidote for poison and banish demons from the soul.