Green Olivine, Mantle Fire, Ancient Zabargad, Pallasite Meteorites and the Gemstone That Can Fall from Space

Also Known As / AKA: Peridot, Gem Olivine

Commonly Related Names and Trade Terms: Chrysolite, Evening Emerald, Olivine, Forsterite, Zabargad Peridot, Egyptian Peridot, Burmese Peridot, Myanmar Peridot, Pakistani Peridot, Kashmir Peridot, San Carlos Peridot, Arizona Peridot, Chinese Peridot, Vietnamese Peridot, Pallasitic Peridot, Meteorite Peridot, Extraterrestrial Peridot, Cat’s-Eye Peridot, Star Peridot

Peridot is the transparent yellowish-green to green gem variety of Olivine, one of the most important rock-forming minerals in Earth’s upper mantle.

Its general composition is:

(Mg,Fe)₂SiO₄

Most gem Peridot lies toward the magnesium-rich Forsterite end of the Olivine solid-solution series. Iron replacing some magnesium creates the green colour.

Peridot is unusual among major gemstones because its colour is not usually caused by a tiny accidental impurity entering an otherwise colourless mineral. Iron belongs within its essential chemical structure. The green is part of what the mineral is.

It is also a gemstone with two extraordinary geological stories.

On Earth, much Peridot begins deep in the mantle. Volcanic activity tears pieces of that mantle free and carries Olivine rapidly toward the surface inside basalt. Other important deposits form where mantle rocks are lifted, altered, fractured and exposed within mountain belts.

Beyond Earth, gem-quality Olivine can occur inside pallasites, rare stony-iron meteorites in which translucent green to golden crystals are held within a metallic nickel-iron framework.

The sight is almost impossible to mistake.

Green crystal appears suspended in metal, as if a stained-glass window had been assembled inside an asteroid.

Most Peridot is born beneath our feet.

A very small amount has travelled through space.

At a Glance

A Note from Enchantress

Every crystal in this library has been researched with care to bring together geology, history, craftsmanship and the traditional stories that have surrounded these remarkable minerals for generations.

Science helps us understand how these treasures formed.

History tells us how people have cherished them.

Tradition shares the meanings many have found in them.

We believe each perspective has something valuable to offer.

Whether you're here to learn, collect, decorate your home, choose a meaningful gift or simply satisfy your curiosity, you're warmly welcome.

What Is Peridot?

Discover Peridot

Peridot is gem-quality Olivine, usually rich in magnesium and coloured by iron.

Its colour range is narrower than that of many gemstones. Peridot is always connected with green, but that green may lean toward:

• golden green;

• greenish yellow;

• fresh leaf green;

• olive green;

• deep grassy green;

• brownish green.

The most highly valued stones are generally bright, well saturated and free from excessive yellow, grey or brown. Yet colour preference is personal. A vivid lime-green Peridot and a deeper olive stone can feel like entirely different gems even though both belong to the same mineral family.

Peridot frequently displays a warm quality that distinguishes it from Emerald, Tsavorite Garnet, Chrome Diopside and Green Tourmaline. Its green can carry an inner gold light, particularly beneath warm illumination.

Strong birefringence may cause the back facets of a cut stone to appear doubled when viewed through the crown. This is a natural optical property, not faulty cutting.

Peridot, Olivine and Forsterite

These names overlap but are not interchangeable in every context.

Olivine is a mineral group and compositional series dominated by magnesium and iron silicates.

Forsterite is the magnesium end member, Mg₂SiO₄.

Fayalite is the iron end member, Fe₂SiO₄.

Natural Olivine commonly lies between them. Gem Peridot is normally magnesium-rich rather than pure end-member Forsterite.

In gemmology, Peridot is the familiar varietal name for transparent green gem Olivine. In mineralogical cataloguing, a specimen may be labelled Forsterite when analytical composition establishes that species.

Is Peridot Right for You?

Peridot may appeal if you enjoy gemstones that feel bright, geological and unmistakably alive.

It offers:

• natural colour that is normally untreated;

• strong brilliance;

• distinctive doubling under magnification;

• fascinating mantle-derived origins;

• characteristic lily-pad inclusions;

• a history reaching back to the ancient Red Sea;

• one of the rarest possible gemstone origins in pallasite meteorites.

It also asks for realistic care. Peridot is softer than Quartz, more vulnerable to scratching than Sapphire and sensitive to rapid heating and acids. Rings benefit from protective settings and thoughtful wear.

For a collector drawn to space, pallasitic Peridot adds another consideration. The Olivine may be ancient and extraterrestrial, but the enclosing metal can be reactive on Earth. A beautiful slice requires careful preparation, honest provenance and dry storage.

Scientific Identity and Classification

Peridot belongs to the Olivine group, a family of orthorhombic nesosilicates.

Its general formula is:

(Mg,Fe)₂SiO₄

The two principal compositional end members are:

• Forsterite — Mg₂SiO₄;

• Fayalite — Fe₂SiO₄.

Magnesium and ferrous iron substitute for one another within the structure. Natural crystals can therefore form a compositional series rather than fitting into a single perfectly fixed formula.

Gem Peridot is normally relatively magnesium-rich. As iron content increases, density and refractive index generally increase, while colour may deepen, become browner or eventually move beyond the familiar attractive Peridot range.

A Mineral from the Mantle

Olivine is not a geological curiosity.

It is one of the major minerals of Earth’s upper mantle. The mantle is not a great underground ocean of liquid rock. Over most of its volume it is solid, although it can deform and flow over geological time.

Peridot gives us a gem-quality glimpse of that immense hidden region.

Some crystals reach the surface as grains inside pieces of mantle rock known as xenoliths. Volcanic magma captures these fragments and carries them upward quickly enough for portions to survive.

Peridot Is Idiochromatic

Peridot is described as idiochromatic because its colouring element is an essential part of its chemistry rather than a trace impurity unrelated to the ideal composition.

Ferrous iron, Fe²⁺, replaces magnesium and absorbs selected wavelengths of visible light. The remaining transmitted light appears yellow-green to green.

This is different from an allochromatic gem such as Emerald, where small amounts of chromium or vanadium colour a mineral that would otherwise be colourless.

Chemical Composition

Olivine is built principally from:

• magnesium;

• iron;

• silicon;

• oxygen.

Silicate tetrahedra remain structurally isolated from one another and are linked through magnesium and iron cations. This arrangement places Olivine among the nesosilicates.

Iron and the Green Colour

Peridot’s colour depends on the amount and structural behaviour of iron.

Too little iron can leave magnesium-rich Forsterite very pale or colourless. Appropriate iron produces the familiar luminous green. Greater iron content can contribute darker, duller or browner colours.

Colour is also influenced by:

• the thickness of the material;

• crystal orientation;

• clarity;

• cutting proportions;

• lighting;

• associated inclusions.

Unlike many blue or red gemstones, Peridot is not normally heated to create its market colour. The green seen in a natural stone is generally the green in which it formed.

Crystal Structure and Optical Character

Peridot crystallises in the orthorhombic crystal system.

Well-formed crystals may be short and prismatic, but much gem material occurs as rounded grains, irregular nodules or broken crystal fragments.

Its optical properties include relatively high dispersion for a coloured stone and notably strong birefringence.

Doubling

When light enters Peridot, it divides into two rays travelling at different velocities. Looking through a faceted stone in a suitable direction can make rear facet junctions appear doubled.

This effect is often visible with magnification and can assist identification.

Doubling should not be confused with a doublet, an assembled stone made from separate layers. One is an optical property of a single crystal. The other is a manufactured construction.

Pleochroism

Peridot’s pleochroism is generally weak. Different crystallographic directions may show related green and yellow-green tones, but the contrast is far less dramatic than in strongly pleochroic gems such as Iolite.

Inclusions and Internal Features

Fine Peridot may be eye-clean, but its inclusions can be highly characteristic.

Common internal features include:

• reflective disk-like fractures called lily pads;

• dark chromite or spinel-group crystals;

• negative crystals;

• small fluid-related cavities;

• veils and healed fractures;

• glassy inclusions in some basalt-related material;

• tension halos around included crystals.

Lily Pads

Lily pads are among Peridot’s most recognisable inclusion scenes.

They are usually circular or disk-like fractures surrounding a small crystal, negative crystal or fluid-filled cavity. Stress around the inclusion creates a reflective plane that resembles a lily pad floating inside the gem.

The name is descriptive rather than botanical. Nothing organic is trapped in the stone.

Small lily pads seen only under magnification can support identification and add interest. Large surface-reaching fractures may affect durability and value.

Pallasitic Inclusions

Extraterrestrial Peridot can contain features different from ordinary terrestrial stones.

Gemmological studies have recorded planar brownish-red films, coarse fingerprint-like features and, in some specimens, aligned needle-like inclusions capable of showing interference colours.

No single visual inclusion proves extraterrestrial origin in every case. Trace-element analysis can separate pallasitic and terrestrial Peridot through patterns involving elements such as lithium, vanadium, manganese, cobalt, nickel and zinc.

Provenance should therefore rest on more than an exciting story.

Formation and Geological Setting

Mantle Formation

Most Olivine forms in magnesium- and iron-rich environments with relatively low silica activity.

Deep beneath Earth’s crust, Olivine is a major component of peridotite and other ultramafic rocks. Under the pressure and temperature conditions of the upper mantle, it can remain stable across vast regions.

Gem-quality crystals require more than the mere presence of Olivine. They need:

• attractive iron content;

• sufficient transparency;

• limited fracturing;

• enough size to cut or preserve as a specimen;

• survival during transport and exposure.

Basalt-Hosted Peridot

Basaltic magma rising from depth may tear fragments from the mantle and carry them upward as xenoliths.

Olivine within those fragments can occur as grains or nodules. Weathering later releases crystals from the host rock, allowing them to accumulate in loose deposits.

This style of occurrence is important in Arizona, China, Vietnam and other volcanic regions.

The journey is rapid by geological standards. A crystal that formed at mantle depth can be delivered to the surface by volcanic eruption, then freed by erosion and eventually cut into jewellery.

Mountain and Ultramafic Deposits

Some of the finest large Peridot crystals come from geological environments where ultramafic rocks have been uplifted, deformed, altered and exposed within mountain belts.

Myanmar and Pakistan are especially celebrated for crystals capable of producing large, richly coloured gems. Their geological histories involve mantle-derived rocks incorporated into complex tectonic settings rather than simple loose nodules in young basalt.

Zabargad Island

Zabargad, also called St John’s Island, lies in the Red Sea off Egypt.

Its rocks expose part of an uplifted mantle and crustal sequence associated with the tectonic development of the Red Sea. Peridot crystals occur within ultramafic rocks and weathered material.

The island became the most famous ancient source of the gem. Its difficult location, shifting names and long intervals of restricted or forgotten access helped surround Peridot with stories of guarded mines, night-time searching and stones glowing beneath the moon.

Peridot from Beyond Earth

What Is a Pallasite?

A pallasite is a rare type of stony-iron meteorite.

Classic examples contain magnesium-rich Olivine crystals enclosed within a network of iron-nickel metal. When a pallasite is cut into a thin slice and polished, light may pass through the translucent crystals while reflecting from the metal around them.

The result is one of the most extraordinary natural structures known to collectors.

Pallasites are commonly interpreted as records of differentiated asteroidal bodies in which metal and silicate materials were brought together. Older descriptions often placed them simply at a core-mantle boundary. Modern research considers more complex histories involving impacts, mixing, melting, disruption and reassembly, and not every pallasite group necessarily formed in exactly the same way.

The honest description is therefore more powerful than an oversimplified one.

They are fragments of ancient planetary materials whose metal and Olivine record processes that occurred before they reached Earth.

Pallasitic Peridot

Many meteorites contain Olivine, but gem-quality crystals large and transparent enough to facet are extraordinarily uncommon.

Pallasites are the principal extraterrestrial source of sizeable Olivine grains. Even there, the crystals may be fractured, clouded, shocked, altered or intergrown with metal.

Faceted pallasitic Peridot is usually small. Cutting requires removing a crystal from a scientifically and aesthetically valuable meteorite, then navigating internal fractures and inclusions. Gems above ordinary small sizes are exceptional.

Pallasitic Peridot is not valuable merely because it is green.

It is valuable because the green crystal is a surviving piece of another world.

Esquel and Other Celebrated Pallasites

The Esquel pallasite from Argentina is famous for large, attractive Olivine crystals held in a bright metallic matrix. It has supplied material for scientific study, display slices and rare faceted extraterrestrial Peridot.

Other pallasites, including specimens associated with Jepara, Seymchan, Brenham, Imilac and Krasnoyarsk, are important to collectors and researchers, although crystal quality, stability, classification and suitability for cutting vary.

A locality or meteorite name should be supported by documentation. Pallasite is valuable enough that incorrect attribution, reconstruction and unsupported storytelling are real concerns.

Preservation and Ethics

Meteorites are finite scientific materials.

Cutting can reveal internal structure and create beautiful display slices, but it also consumes or alters a specimen. Collectors may reasonably value both approaches: preserving a complete mass and preparing a slice that allows its Olivine-metal architecture to be seen.

Responsible collecting asks:

• Is the meteorite legally exported and ethically obtained?

• Is the classification documented?

• Is the named fall or find supported by provenance?

• Has the piece been stabilised, repaired or reconstructed?

• Will cutting destroy unusually important scientific information?

• Can the specimen be stored without accelerating corrosion?

Wonder is strongest when it is accompanied by evidence and care.

Growth Habits, Structures and Phenomena

Peridot may occur as:

• isolated transparent crystals;

• rounded grains and pebbles;

• Olivine-rich nodules;

• crystals embedded in basalt or peridotite;

• grains inside mantle xenoliths;

• gem crystals in altered ultramafic rocks;

• translucent Olivine enclosed in pallasitic nickel-iron.

Cat’s-Eye Peridot

Parallel tubes, needles or aligned inclusions can reflect a narrow band of light when the material is cut as a cabochon.

The result is chatoyancy, or the cat’s-eye effect.

A strong eye should be sharp, centred and mobile as the stone or light moves.

Star Peridot

Star Peridot is rare. Organised inclusions can create intersecting bands of reflected light, producing asterism in a correctly oriented cabochon.

As with other phenomenal gems, the effect depends on both natural internal structure and precise cutting.

Varieties, Colours and Trade Names

Chrysolite

Chrysolite is an old name historically applied to yellow-green gemstones, including material now recognised as Peridot. Because historical writers did not classify minerals using modern tests, the term can be ambiguous.

In present trade it may be used as a romantic synonym, but Peridot is clearer.

Evening Emerald

“Evening Emerald” is a traditional promotional name referring to Peridot’s green appearance under artificial light.

Peridot is not Emerald. The two have different chemistry, crystal systems, optical properties, hardness and geological origins.

Kashmir or Pakistani Peridot

Fine material from northern Pakistan became internationally celebrated for large crystals and richly saturated colour. “Kashmir Peridot” has sometimes been used broadly in trade, but locality terms should not outrun evidence.

Pallasitic or Meteorite Peridot

These names should be reserved for gem Olivine demonstrably derived from a meteorite.

The distinction cannot always be confirmed by appearance alone. Strong provenance and, for significant stones, appropriate laboratory analysis are essential.

Major Localities and Notable Deposits

Pakistan

Mountain regions of northern Pakistan have produced exceptional Peridot crystals, including material from the Kohistan area. Fine stones can combine strong colour, transparency and sizes far beyond those typical of basalt-hosted nodules.

Mining in high, remote terrain can be seasonal and dangerous. Locality precision matters because broad commercial labels can conceal complicated routes from mine to market.

Myanmar

Myanmar, particularly the Mogok region, is a classic source of high-quality Peridot. Crystals may occur in ultramafic rocks altered and incorporated into the mountain belt.

Fine Myanmar material is known for rich colour and excellent transparency.

United States — San Carlos, Arizona

Peridot Mesa on the San Carlos Apache Reservation is one of the world’s best-known sources of commercial Peridot.

The material occurs in basalt-related mantle fragments and nodules. Mining and trade are connected with the San Carlos Apache community, and respectful sourcing should recognise that the deposit lies on sovereign Indigenous land rather than treating “Arizona” as the whole story.

China and Vietnam

Basaltic regions in China and Vietnam produce Peridot from mantle-derived nodules and xenoliths. Vietnamese stones are particularly well documented for lily-pad features, chromite and spinel-group inclusions.

Egypt — Zabargad

Zabargad is historically more important than its modern production volume suggests. The island connects Peridot with ancient Mediterranean trade, shifting gemstone names and direct exposure of mantle-derived rocks.

Other Sources

Peridot and gem Olivine also occur in Tanzania, Kenya, Norway, Finland, Brazil, Australia and other regions where ultramafic rocks or mantle-derived volcanic materials reach the surface.

Origin should not be guessed from colour alone.

Through Human Eyes

A Gem with Confused Ancient Names

Peridot’s history is entangled with Topaz.

The Red Sea island now called Zabargad was known in classical traditions by names resembling Topazios. Its green gems were described under terms that later became attached to the entirely different mineral Topaz.

This is a reminder that ancient gemstone names often referred to colour, place or appearance rather than modern mineral species.

Ancient Egypt and the Red Sea

Green crystals from Zabargad were fashioned into beads, engraved stones and ornaments for more than two millennia.

Later stories describe miners searching at night because the stones could be seen glowing beneath moonlight, then marking the location for recovery by day. Whether every detail is literal or romantic, the story captures something true about Peridot: its yellow-green colour can appear remarkably vivid in dim or warm light.

The popular phrase “gem of the sun” belongs to later retellings of its Egyptian associations. It should be enjoyed as cultural tradition rather than treated as a securely translated universal ancient title.

Greece, Rome and the Problem of Topazios

Greek and Roman writers discussed green stones from the Red Sea, but their categories do not map neatly onto modern Peridot, Topaz or other gems.

Some surviving engraved stones can be identified mineralogically. Textual references require more caution.

The historical confusion is not an inconvenience to erase. It shows how mineral knowledge changed from visual description to analytical science.

Medieval Treasures

Some green stones in European church collections were long described as Emeralds and were later identified as Peridot.

Peridot’s warm green can resemble Emerald at a distance, particularly in old settings and candlelight. Modern testing separates them readily, but their histories may remain intertwined.

Modern Jewellery

Peridot became widely accessible through deposits in Arizona, Myanmar, Pakistan, China and other producing regions.

It appears in modest birthstone jewellery as well as exceptional collector gems. Fine large stones show that an affordable reputation does not define the upper end of the material.

Pallasitic Peridot created a different modern identity: not simply an August birthstone, but an extraterrestrial gem that joins planetary science with lapidary art.

Mythology, Folklore and Cultural Stories

Peridot has accumulated associations with:

• sunlight;

• protection from night fears;

• release from envy;

• friendship;

• prosperity;

• restful sleep;

• clear sight;

• renewal;

• protection during travel.

Some traditions recommend setting Peridot in gold to strengthen its protective symbolism. Others connect it with lamps, night vision or the ability to reveal hidden dangers.

These ideas come from different periods and should not be presented as one uniform ancient belief system.

Pallasitic Peridot has naturally attracted newer symbolism involving:

• the cosmos;

• planetary origins;

• survival through fire and impact;

• the meeting of metal and stone;

• belonging to a universe larger than Earth.

These are modern meanings inspired by genuine extraterrestrial origin, not evidence that meteorites influence human health or destiny.

Metaphysical and Holistic Associations

Modern crystal traditions commonly associate Peridot with:

• optimism;

• emotional release;

• confidence;

• abundance;

• growth;

• renewal;

• reducing jealousy or resentment;

• openness to change;

• warmth and vitality.

It is often linked with the Heart Chakra and sometimes the Solar Plexus Chakra because of its green to yellow-green colour.

Pallasitic Peridot may be used symbolically as a reminder of cosmic scale, endurance and the deep history of matter.

These are spiritual and personal practices rather than scientifically demonstrated mineral effects. Peridot should not replace medical, psychological or financial care.

Modern and Everyday Uses

Peridot is used for:

• rings;

• earrings;

• pendants;

• necklaces;

• bracelets;

• beads;

• carvings;

• collector crystals;

• mineral specimens;

• mantle xenolith specimens;

• pallasite slices;

• rare faceted extraterrestrial gems.

Its clear bright colour suits brilliant, mixed and step cuts. Large clean pieces can also support fantasy cutting and sculptural work.

Pallasites are commonly prepared as etched or polished slices so the Olivine-metal relationship remains visible. Removing every crystal to facet it would destroy the very structure that makes the meteorite extraordinary.

Medicine, Health and Scientific Relevance

Historical traditions attributed benefits involving eyesight, digestion, sleep, protection and emotional balance to Peridot.

Peridot has not been shown to cure disease, improve vision, remove toxins or alter mood through a measurable mineral action.

Scientifically, Olivine is extremely important in studying:

• the composition of Earth’s mantle;

• mantle melting;

• basalt generation;

• volcanic transport of xenoliths;

• plate tectonics;

• high-pressure mineral transformations;

• weathering and carbon mineralisation;

• asteroid differentiation;

• meteorite parent bodies;

• trace-element separation between terrestrial and extraterrestrial materials.

Pallasitic Olivine can preserve chemical and isotopic information about early Solar System processes. Its scientific value may far exceed its usefulness as cutting rough.

Collector’s Eye

Faceted Peridot

Look for:

• a green you enjoy in ordinary light;

• lively, even cutting;

• limited windowing;

• sufficient depth without excessive darkness;

• no large eye-visible dark inclusions;

• no fractures threatening the girdle or setting;

• honest disclosure of origin claims.

Strong facet doubling is normal. A skilled cut works with Peridot’s optics rather than allowing doubling, extinction or windowing to make the gem appear blurred.

Crystal and Matrix Specimens

Consider:

• crystal completeness;

• transparency;

• natural surfaces;

• repairs or glue;

• host-rock relationship;

• locality documentation;

• whether a nodule has been artificially assembled;

• stability of the matrix.

Pallasite Specimens

Examine:

• documented meteorite name and classification;

• chain of provenance;

• natural versus reconstructed structure;

• evidence of rust or active corrosion;

• cracks in the Olivine;

• artificial resin impregnation or stabilisation;

• thickness and flatness of a slice;

• preparation quality;

• storage requirements.

Not every attractive metal-and-green object is a natural pallasite slice. Composite pieces, reassembled fragments, simulants and mislabelled terrestrial Olivine all require caution.

Rarity and Collectability

Commercial Peridot is widely available in smaller sizes.

Fine pure-green material becomes less common as saturation, clarity and size increase. Large stones from Myanmar and Pakistan can belong to a very different collector market from ordinary calibrated gems.

Value is influenced by:

• colour;

• clarity;

• cut;

• size;

• locality;

• crystal form;

• matrix quality;

• unusual inclusions;

• phenomenal effects;

• provenance.

Pallasitic Peridot occupies a separate rarity category.

The parent meteorites are rare. Gem-quality transparent crystals within them are rarer. Crystals that survive extraction and faceting at meaningful size are rarer again.

An extraterrestrial claim can add enormous appeal, which is exactly why documentation matters.

Jewellery, Carving and Lapidary Uses

Cutting Peridot

The cutter must consider:

• strong birefringence;

• colour concentration;

• inclusions and lily pads;

• brittleness;

• orientation;

• finished depth;

• potential windowing;

• surface-reaching fractures.

Peridot can take an excellent polish, but careless pressure or heat may extend fractures.

Cutting Pallasitic Peridot

Pallasitic material creates additional difficulties.

Olivine crystals may be cracked, irregular and locked in metal. Extracting them can sacrifice surrounding meteorite, while cutting may reveal internal damage caused by the parent body’s history, atmospheric entry, terrestrial weathering or specimen preparation.

Metal contamination and nickel-bearing dust require separate workshop controls. The scientific and provenance value of the original meteorite should be considered before any destructive work begins.

Setting Peridot

Peridot is suitable for jewellery but benefits from sensible protection.

For rings, consider:

• a protective bezel or substantial prongs;

• settings that shield exposed corners;

• removal during gardening, cleaning, sport and heavy work;

• regular inspection for loose stones.

Earrings and pendants experience less impact and can be excellent choices for larger gems.

Choosing Peridot

Begin with colour.

Ask whether you prefer bright lime, yellow-green, leafy green or deep olive. Then examine:

1. Is the stone natural Peridot?

2. Is the colour attractive in ordinary daylight and indoor light?

3. Does the centre appear lively or windowed?

4. Are dark inclusions visible without magnification?

5. Do fractures reach the surface or threaten durability?

6. Is a locality claim supported rather than assumed from appearance?

7. If extraterrestrial origin is claimed, what documentation or laboratory evidence supports it?

For pallasites, also ask:

• Is the meteorite formally classified?

• Is the named find or fall documented?

• Has the specimen been stabilised or reconstructed?

• Is corrosion active?

• What storage conditions are required?

Buy the evidence as carefully as the object.

Treatments, Enhancements, Synthetics and Imitations

Treatments

Peridot is one of the major gemstones commonly sold without routine heat treatment.

No widely accepted process is regularly used to improve its fundamental colour or clarity. That relative naturalness is part of its appeal.

Individual stones may still be:

• fracture filled;

• surface coated;

• oiled;

• assembled;

• backed with reflective material;

• misrepresented under an unsupported origin name.

Any treatment that affects appearance, durability or value should be disclosed.

Pallasite slices may be etched, sealed, resin impregnated or otherwise stabilised. Such preparation can be reasonable when clearly stated, especially if it slows corrosion or supports fragile Olivine, but it is not the same as an untouched specimen.

Synthetic and Manufactured Materials

Synthetic Forsterite can be grown and is used in technical and gemmological contexts. It is not a major ordinary substitute for natural Peridot in the way synthetic Corundum substitutes for Ruby or Sapphire.

Some manufactured green materials may be sold under confusing names. Identification should be based on gemmological properties rather than colour alone.

Imitations

Peridot may be imitated by:

• green glass;

• cubic zirconia;

• synthetic spinel;

• YAG and other manufactured garnet-like materials;

• green Tourmaline;

• green Sapphire;

• Chrysoberyl;

• coloured or coated Quartz;

• assembled stones.

Natural lookalikes are not inferior gems. The problem begins only when identity is concealed.

Care

Cleaning Faceted Peridot

Use:

• lukewarm water;

• mild fragrance-free soap;

• a soft cloth or brush;

• gentle rinsing;

• careful drying.

Avoid

• hard knocks;

• abrasive cleaners;

• sudden temperature changes;

• direct torch heat;

• acids;

• steam cleaners;

• ultrasonic cleaning;

• prolonged exposure to harsh perspiration or chemicals;

• storage against harder gemstones.

Peridot is stable to ordinary light, but uneven heating can cause fractures.

Caring for Pallasite

Pallasite requires different care from a loose Peridot gem.

The nickel-iron matrix can rust. Keep prepared slices and specimens:

• dry;

• away from salts and acids;

• away from prolonged skin contact;

• in stable low-humidity storage;

• free from condensation;

• regularly inspected for corrosion.

Do not soak a pallasite merely because the Olivine itself tolerates brief washing. Advice should be based on the meteorite’s preparation, stability and any protective coating.

Health and Safety

Finished Peridot jewellery and intact specimens are generally safe to handle normally.

The main hazard arises when cutting, grinding, drilling or polishing creates fine mineral dust.

Lapidary work should use:

• wet methods;

• effective local extraction;

• eye protection;

• suitable respiratory protection;

• careful control of slurry and dried residue.

Working pallasite can additionally produce iron- and nickel-bearing particles. Nickel can cause skin sensitisation in susceptible people, and metal dust should not be inhaled.

Peridot or pallasite should not be placed in drinking water or used to prepare crystal elixirs. A meteorite may contain reactive metal, terrestrial corrosion products, preparation chemicals and contaminants acquired during recovery or storage.

Quick-Reference Correspondences

An Enchantress Reflection

Peridot is already extraordinary before we ever look beyond Earth.

It can begin in the mantle, rise inside volcanic rock and carry a visible piece of the planet’s interior into the light.

But my favourite Peridot is the kind held inside a stony-iron pallasite.

There is something about those green Olivine crystals suspended in nickel-iron that reaches beyond ordinary gemstone beauty. The metal is dark and structural. The crystal catches the light. Together they look like a window made inside another world.

I have always loved anything that can come from off world.

A meteorite is not a symbol pretending to be cosmic. It has genuinely travelled through space. It formed as part of a body beyond Earth, survived violence we can barely imagine, crossed the atmosphere and arrived here as physical evidence that our planet is part of a much larger system.

Pallasitic Peridot makes that vast story intimate.

You can hold it.

You can look through a green crystal and know that its history did not begin beneath the ground on which you are standing.

I love that Peridot can belong to both worlds.

On Earth it speaks of the mantle, volcanoes and the deep interior of our own planet. In pallasite it speaks of asteroids, metal, impact and ancient planetary materials.

The colour remains recognisably alive in both.

Perhaps that is what draws me most strongly to it. A small green crystal can connect the ground beneath us with the space beyond us, and make both feel more real.

Closing Thought

Peridot is iron held within green Olivine.

On Earth, it may rise from the mantle in volcanic fire or emerge from ultramafic rocks lifted into mountains.

Beyond Earth, it can be enclosed in the nickel-iron of a pallasite and travel across space before falling into human hands.

Few gemstones cross so many boundaries.

Mantle and surface.

Stone and metal.

Planet and asteroid.

Ancient jewel and modern scientific evidence.

Its green is not merely the colour of life.

It is the colour of matter surviving an astonishing journey.

About This Entry

Written, researched and compiled by Jennifer, founder of Enchantress Collective.

First published: August 2026

Last reviewed: August 2026

Enchantress Library Entry: EC-PERIDOT-033

This entry forms part of the Enchantress Collective Encyclopaedia of Crystals, Minerals, Fossils & Gemstones—an independently researched and continually growing educational resource shaped by more than 35 years of practical experience with crystals, minerals, fossils, gemstones, jewellery materials, collecting, sourcing and lapidary work.

Copyright and Permitted Use

© 2026 Jennifer, Enchantress Collective. All rights reserved.

This original entry is made freely available for personal reading, learning and reference. Its written expression, explanations, organisation, original comparisons, personal reflections, photography and other original elements remain the intellectual property of Jennifer K Pitt-Owen and Enchantress Collective.