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Peridot

Found in lava, meteorites, and deep in the earth’s mantle, yellow-green peridot is the extreme gem

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Antique Cushion

This magnificent antique cushion-cut peridot weighs 20.25-cts.

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Double Refraction

Peridot’s strong double refraction causes double images of facets.

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Eye Clean

This peridot also has exceptional clarity.

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Myanmar Gem

This exceptional peridot crystal from Myanmar measures 4.3 cm tall.

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Yellowish-green Hue

This crystal has a medium-toned, highly saturated yellowish-green hue.

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Rare Crystal

Peridot crystals are rare; miners typically find irregular nodules.

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Tools

Research

Blade-like magnetite inclusions developed from a healed fracture in a 2.08 ct Burmese peridot resemble a rainy lakeside city. Photomicrograph by Makoto Miura; field of view 1.06 mm.
Rainy Lakeside City in Peridot

Blade-like magnetite inclusions developed from a healed fracture in peridot resemble a dark, rainy afternoon in a lakeside city.

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Thread-like inclusions of serpentine resembling an ancient text. Photomicrograph by Le Ngoc Nang; field of view 2.50 mm.
Ancient Script-Like Serpentine in Brown Peridot

Examination of a brown peridot xenocryst reveals thread-like serpentine inclusions resembling ancient text.

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Figure 1. The face-up view of a 2.32 ct faceted pallasitic peridot, the largest extraterrestrial peridot seen at GIA to date. Photo by Diego Sanchez.
Large Faceted Pallasitic Peridot

A large specimen of extraterrestrial peridot is analyzed at the Carlsbad laboratory.

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Burmese peridot exhibits fishbone-like inclusion.
“Fishbone” Inclusion in a Burmese Peridot from Mogok

Examination of Burmese peridot with impressive size, color, and clarity reveals a fishbone-shaped inclusion.

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Faceted peridot from the Pyaung-Gaung mine in Mogok
Gemological Characterization of Peridot from Pyaung-Gaung in Mogok, Myanmar

Examines the mining and the internal, spectroscopic, and chemical features of peridot from this deposit, which possesses a rich olive green color and is available in large sizes.

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Gem trading at Namak Mandi
Namak Mandi: A Pioneering Gemstone Market in Pakistan

Documents Namak Mandi’s transformation from a salt market to one of Pakistan’s primary gem trading centers, with a look at the commercial activities taking place today.

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A large red-orange crystal of wulfenite is nestled in the arms of matrix.
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Arizona Road Trips: Wild West Gem and Mineral Localities

Arizona’s scenic desert and mountain landscape is the perfect backdrop for a modern Wild West road trip in search of gem and mineral treasures.

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Spinel suites in a range of hues.
Fine Gems and Update from Myanmar

A look at top-quality gems and insight into a delegation’s visit to gem mines in Myanmar.

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Multi-colored gems are superimposed on an image of glacier peaks.
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Gems and Minerals from the Subarctic

Circumnavigate the boreal reaches of the globe to explore gems from polar regions.

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Vietnamese peridot nodules, rough stones, and faceted samples
Peridot from the Central Highlands of Vietnam: Properties, Origin, and Formation

Analyzes the gemological and geochemical characteristics of peridot from the Gia Lai province alongside specimens from other localities to gain insight into its formation.

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