Glittering Stones » Semi Precious Stones » Peridot

Semi Precious Stone Peridot

Peridot is the gem quality variety if forsteritic olivine with chemical composition of (Mg, Fe) 2SiO4. It is one of the gemstone that occurs in one color i.e. olive green. It is the birthstone for the month of august and it has been collected from Pallasite meteorites. The oxford English dictionary suggests that the name refers to gem.

It occurrence is mostly found in north Carolina, Arizona, Hawaii, Nevada and new Mexico, US and Australia. High quality peridot is mined from eastern lava field of Saudi Arabia.

Historical Facts of Peridot

Refractive Index: 1.64 - 1.70

Chemical Composition: (Mg, Fe)2 SiO4

Hardness: 6.5 - 7

Density: 3.2 - 4.3

Crystal Group: Orthorhombic

Luster: Vitreous, Greasy

Sign of the Zodiac: Virgo

Month of the year: August

Color: Green, Olive, Yellow, Brown, Olive Green

Ocurrence: North Carolina, Arizona, Hawaii, Nevada, New Mexico, US, Australia

Gem Stone Peridot Jewelry