Peridot Pear 5.00×8.00mm Ceylon
This Natural Peridot lot Gemstones Which is Green Color, it’s Originates From Arizona, The Measurements are 5.00×8.00mm.The Shape and Cut of This Stone is Pear Mixed Cut. It’s Graded Transparent and Clarity is Good. This Arizona Green Natural Amethyst Gem is Available For Ready to Ship. You Can Also Select Certification And Shipment Method As Optional.
|Weight||Approx 1 pc 0.85ct|
|Shape/cut||Pear Mixed Cut|
Peridot Pear 5.00×8.00mm
Properties Of Peridot
Chemical Composition : (Mg,Fe)2SiO4 [Magnesium Iron Silicate]
Specific Gravity (Density) : 3.275
Refractive Index: 1.635 – 1.772(DR)
About Peridot Gemstone
Peridot is the green variety of the Olivine Group of minerals. Olivine is not an individual mineral but a group of minerals that includes Fayalite, Forsterite, Liebenbergite, Tephroite and Laihunite. Fayalite (Mg2SiO4) is the iron rich member of the Fayalite Forsterite mineral series, Forsterite (Fe2SiO4) is the magnesium rich member. Peridot (Mg2Fe2SiO4) is the green variety of Forsterite containing both Iron (Fe) and magnesium (Mg). Peridots color can vary from pale to rich green (for which Peridot is famous) to brown. The considerable variation in shades of green to brown is dependant on locality of origin and amount of ferrous iron. The ideal green Peridot has an iron content of about 12-15%. More iron results in a muddy color. Very bright green Peridot may also contain traces of chromium.
Peridot is not a recognized mineral name. Its hard to believe that Peridot is the equivalent of a trade name, not a recognized mineral name since it is one of the most popular and well-known gems in the world. Peridot has been a popular gem throughout history.
Peridot is available from many localities worldwide including these well-known sources: Mogok, Sagaing District, Mandalay Division, Burma (Myanmar); St Johns Island (Zagbargad; Zebirget; Topazios), Red Sea, Egypt; Naran-Kagan Valley, Kohistan District, North-West Frontier Province, Pakistan; and Peridot Mesa, San Carlos, San Carlos Indian Reservation, Gila Co., Arizona, USA.