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.
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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 |
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Gem Stone Peridot Jewelry
Peridot Bracelet  |
Peridot Earring
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Peridot Necklace  |
Peridot Ring  |
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