Interesting Facts about Peridots Gemstone | Green Peridot Stone

Learn about Green Peridot Stone

Peridot, with its stunning green hue, is a captivating gemstone cherished by those born in August, as it is their birthstone. It is a gem variety of olivine, known for its vibrant shades ranging from parrot green to yellowish-green. Green peridot gemstones derive their allure from their composition, primarily consisting of forsterite, a mineral rich in the forsterite-fayalite isomorphic series.

What is Green Peridot Stone?

The term "Peridot" originates from Middle English, reflecting its historical significance. Peridot gemstones are unique in that they exclusively exhibit an olive-green hue. The richness of this color is determined by the concentration of iron within the crystal structure. Collectors comparing available loose peridot gemstones can also consider how that color appears in cut stones.

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The presence of trace elements within the gemstone accounts for its diverse color spectrum, ranging from yellow to olive, and even to brownish-green or emerald green within a single peridot crystal or gemstone. Peridots predominantly form within igneous rocks, and their gem content can be inferred through mining, particularly from concentrations found in basalts and ultrabasic rocks. A peridot specimen on matrix offers another way to study the natural material.

Characteristics of Natural Peridot Gemstone

Discovery of Peridot Stones

Peridot's earliest known discovery dates back to 1500 BC on Zabargad Island in Egypt, also known as Topazios or St. John's Island. This location was renowned for its production of high-quality peridot. Myanmar and San Carlos, Arizona in the USA are also recognized for their production of vibrant green peridots, establishing these regions as prominent hubs for peridot mining and trade. For more context, read about peridot's volcanic rock origins.

Peridots; Gemstones in Pakistan

In recent times, Peridot stones sourced from Pakistan have garnered international attention. The nation, particularly from the Supat mine in Kohistan and the cities and valleys of Mansehra, is renowned for producing exceptionally exquisite vivid green Peridots. The color of peridot gemstones from Pakistan is strikingly vibrant, akin to the hue of emerald gemstones. The quality of peridot gemstones is highly esteemed, and this new mineral story from Sapat, Kohistan adds another local perspective.

Other nations also contribute to the production of Peridots, including Sri Lanka, Ethiopia, Tanzania, China, Vietnam, Brazil, Norway (Söndmöre), and Italy. Additionally, peridot can be found in meteorites, such as the famed olivine-bearing pallasite from Esquel, Argentina.

Large stones may appear blurry due to the doubling effect caused by their relatively high birefringence (0.036), while under magnification, diagnostic lily pad inclusions (flat disk-like healing planes) may be discerned.

Learn about Amethyst Birthstone 

The peridot necklace depicted above showcases exquisite Peridots and diamonds, captured in photographs circa 1870, courtesy of Christie's. Additionally, there's the Devant corsage and earrings, reportedly part of the renowned Habsburg Peridot Parure, dating back to circa 1825, likely crafted by Austrian artisans, possibly by Kochert, also showcased by Christie’s. Notably, there's the "Green Anaconda" ring, adorned with a striking 47.66 ct carved peridot, crafted by Cartier. Collectors interested in a cut example can compare an emerald-cut loose peridot.