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Gemstone Crystal System Density Hardness Refractive index Treatments
Peridot orthorhombic 3.34 6.5-7.9 1.654-1.690 none


Peridot crystal and cut stone

Color:
Medium green with yellow modifiers

Durability:
Very good

Localities:
World wide but Norway and The United States produce the finest examples.

Most peridot is mined by Native Americans in Arizona on the San Carlos Reservation.

In 1994, a new deposit of peridot was discovered in Pakistan. The new mine is located 15,000 feet above sea level in the Nanga Parbat region in the far west of the Himalaya Mountains in the Pakistanian part of Kashmir.

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Peridot

Mg2SiO4, Fe2SiO4

Peridot is the gem variety of the mineral olivine, a magnesium iron silicate. Iron is responsible for the color which is quite consistent for peridot. The Egyptians fashioned peridot beads as long as 3500 years ago. Turkish Sultan's amassed the largest collection of peridot during the Ottoman Empire. There are thousands of peridots on view at the Topkapi Museum in Istanbul. It was a popular Victorian gemstone. Peridot has long been associated with the sun, bestowing royal dignity on it's wearer. It could also protect against evil spirits, when fashioned as a bead, strung on hair from an ass' tail, and worn as a bracelet on the left arm.

peridot