Close-up of a purple to pink kammererite crystal cluster with micaceous luster on a pale green matrix

Kammererite

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Also known as: Chromian clinochlore, Chrome clinochlore, Chromium chlorite
Rare Mineral Clinochlore (chlorite group)
Hardness2-2.5
Crystal SystemMonoclinic
Density2.65-2.78 g/cm3
LusterPearly
Formula(Mg,Fe)5Al(Si3Al)O10(OH)8 with Cr substituting for Al (chromian clinochlore)
Colorspurple, pink, magenta

Kammererite is the purple to magenta, chromium-bearing variety of clinochlore, a chlorite-group mineral. Its most useful identifying trait is a soft (Mohs 2 to 2.5), pearly, platy habit that splits into thin plates, often on green serpentinite. Crystal traditions link it with the Third Eye and Crown chakras.

Most commonly confused with

  • Lepidolite: Lepidolite is a lithium mica that is usually lilac to pink and commonly occurs in pegmatites, not chromium-rich ultramafic rocks.
  • Charoite: Charoite is typically massive with swirling violet patterns, while Kammererite is more often platy, flaky, or micaceous.
  • Sugilite: Sugilite is generally denser-looking and massive to granular, lacking the chlorite-like perfect cleavage of Kammererite.
  • Purpurite: Purpurite is a manganese phosphate with a duller earthy to submetallic look and does not show Kammererite’s micaceous chlorite habit.

Kammererite vs. Similar Purple Minerals

MineralTypical LookKey Difference
KammereritePurple to reddish-purple platy crystals or foliated aggregatesChromium-rich clinochlore; soft with chlorite cleavage
LepidoliteLilac mica flakes or granular massesLithium mica from pegmatites; often lighter and more pearly
CharoiteSwirled purple massive materialDistinct fibrous, swirling texture rather than platy crystals
SugiliteMassive purple to violet materialUsually tougher-looking and lacks mica-like sheet cleavage
Purple FluoriteViolet cubes, masses, or cleavable piecesCubic cleavage and glassier luster

How to Check Kammererite Authenticity Before Buying

Authentic Kammererite is usually sold as a rare collector mineral rather than a mainstream tumbled stone. Look for natural purple platy crystals, chlorite-like cleavage, and a credible source locality such as chromite-associated deposits. Be cautious with vague listings that use only the color term “purple crystal” or offer large inexpensive polished pieces without mineral data.

Important Locality Clues for Kammererite

Kammererite is associated with chromium-rich geological settings, especially ultramafic rocks and chromite deposits. A reliable label may mention a mine, district, or country along with the mineral name. Locality alone does not prove identity, but it can help separate Kammererite from purple minerals that form in pegmatites, manganese deposits, or fluorite veins.

Kammererite in Jewelry and Display

Kammererite is better suited to protected display specimens than to jewelry that receives frequent contact. Its softness and cleavage make it vulnerable to scratching, flaking, and edge damage. If used in jewelry, it is most appropriate for protected pendants, earrings, or collector pieces worn sparingly.

What Is Kammererite?

Kammererite is a purple to pink, chromium-rich variety of clinochlore in the chlorite group. Its color can look dyed at first glance, since chlorite is usually green, flaky and plain. Kammererite instead shows a raspberry-purple that stands out strongly under bright display lighting.

Specimens usually appear lighter in the hand than in photographs. The habit is platy and micaceous, and the mineral tends to peel into thin sheets if handled carelessly. Crystals that look chunky in images are often stacks of thin plates, with small edges that reflect light like tiny mirrors. Set on pale green serpentine or whitish dolomite, the color contrast is the main appeal.

Kammererite is often confused with purple mica and with lepidolite. Lepidolite has a soft, greasy-looking mica appearance and is usually more lavender. Kammererite tends to range from hot pink to deep magenta-purple, and flashes from its cleavage surfaces can look silvery against the color.

Origin & History

Russia is where the name comes from. Kammererite got its first proper description in 1841 from the Bissersk area of the Ural Mountains, and it was named after Count Alexander von Kammerer, a Russian mining official who was tied into the region’s mineral work.

The label "Ural kammererite" is sometimes used as if it were a brand name. The older Ural material does have a recognizable character: crisp, platy crystals that split into thin plates, strong color, and a green serpentinite host rock typical of ultramafic geology. It is not a separate species. It is clinochlore, with chromium responsible for the color.

Where Is Kammererite Found?

Most collector-grade kammererite comes from chromium-bearing ultramafic terrains, especially the Urals in Russia and the Kop Krom area in Turkey. Smaller occurrences show up in Alpine serpentinites and a few classic North American localities.

Kop Krom mine, Erzurum Province, Turkey Bissersk, Ural Mountains, Russia Zermatt-Saas area, Valais, Switzerland Val Malenco, Lombardy, Italy Tilly Foster Mine, New York, USA

Formation

Most of what you’re looking at is just raw chunks of ultramafic country rock, no surprises there. Kammererite shows up later, when chromium-bearing ultramafics like peridotite and dunite get hit with metamorphism and hydrothermal alteration, and serpentinization is doing a lot of the heavy lifting. The chromium gets mobilized enough to slip into the chlorite structure, and that’s the moment the purple starts to show.

Close inspection of the matrix on many specimens usually reveals an associated assemblage: serpentine, nearby chromite, sometimes dolomite or calcite, and other chlorites mixed in. The crystals tend to be platy or pseudohexagonal and sometimes form rosettes. They often sit in small seams and pockets, so many pieces have one well-formed face while the back is broken rock.

How to Identify Kammererite

Color: Color ranges from pinkish purple through lilac to deep magenta-purple, sometimes with greenish chlorite mixed in. The most eye-catching pieces show strong color zoning across platy crystals.

Luster: Luster is pearly to vitreous on cleavage faces, often with a bright micaceous flash when you tilt it.

Pick up the specimen and gently run a fingernail along an edge. If it wants to peel into thin plates, you’re in chlorite territory. The real test is the look of the cleavage faces under a single light source: kammererite gives sharp, silvery flashes off flat plates, not the sugary sparkle you get from quartz druse. And if a seller is calling it “purple mica,” ask what the matrix is. Serpentine with chromite specks is a very common pairing for kammererite.

Common Look-Alikes

Kammererite is sometimes confused with these materials:

  • Eudialyte
  • Sugilite
  • Purpurite
  • Lepidolite
  • Dyed mica (fuchsite or phlogopite)
  • Purple glass

Market Cautions & Treatments

Most fake kammererite is ordinary green clinochlore or phlogopite that has been dyed. Color collecting in cracks or along cleavage planes is the best clue. Some sellers offer lepidolite as kammererite, but the two differ in feel: lepidolite peels more softly, almost like talc, while kammererite sheets are slightly stiffer and powder less. Glass fakes also occur, especially as beads. They are much heavier and feel warmer than the real mineral, which is light and cool.

Properties of Kammererite

Physical Properties

Crystal SystemMonoclinic
Hardness (Mohs)2-2.5 (Soft (2-4))
Density2.65-2.78 g/cm3
LusterPearly
DiaphaneityTranslucent
FractureUneven
Streakwhite
MagnetismNon-magnetic
Colorspurple, pink, magenta, lilac, green

Chemical Properties

ClassificationSilicates (phyllosilicate)
Formula(Mg,Fe)5Al(Si3Al)O10(OH)8 with Cr substituting for Al (chromian clinochlore)
ElementsMg, Fe, Al, Si, O, H, Cr
Common ImpuritiesCr, Fe

Optical Properties

Refractive Index1.57-1.59
Birefringence0.020
PleochroismStrong
Optical CharacterBiaxial

Kammererite Health & Safety

Handling it is safe. But if you cut or grind it, you can kick up fine silicate dust, the kind that hangs in the air and settles as a gritty film on your bench. Don’t breathe the dust from any lapidary work.

Safe to HandleYes
Safe in WaterYes
ToxicNo
Dust HazardYes
Warning: Kammererite is not considered toxic to handle; it is a silicate with chromium present as a trace to minor substituent in the structure.

Safety Tips

If you’re cutting it up or shaping it, don’t do it dry. Use water on the cut, keep the air moving with decent ventilation, and wear a real respirator, because that fine grit gets everywhere and you can taste it if you’re not careful. And if it’s just a display piece, it’s simpler: handle it, then wash your hands afterward if there’s dusty matrix on it (you’ll see the powder on your fingers).

Kammererite Value & Price

Price Range

Rough/Tumbled: $30 - $600 per specimen

Cut/Polished: $20 - $120 per carat

Value depends mainly on two factors: color saturation and crystal habit. Clean, sharp, platy crystals on a contrasting matrix, with crisp edges that catch slightly under a fingernail, sell for considerably more than dull, mixed chlorite seams that look muddy up close.

Durability

Fragile — Scratch resistance: Poor, Toughness: Poor

It’s stable in normal indoor conditions, but the platy crystals bruise and cleave easily if they rattle around.

How to Care for Kammererite

Use & Storage

Store it in a box or a display case where it won’t get bumped. Those thin plates chip fast when two specimens touch.

Cleaning

1) Use a soft brush to flick off loose grit. 2) Rinse briefly with lukewarm water and a drop of mild soap if needed. 3) Pat dry and let it air-dry fully before putting it back on the shelf.

Cleanse & Charge

For those who practice energetic cleansing, gentle methods are best: smoke, sound, or a brief pass over selenite. Burying platy kammererite in salt or soil is not advised, because the surface scratches easily.

Placement

A stable shelf away from high-traffic spots is best. Under a small spotlight, the cleavage flashes look great, but don’t aim for heat buildup.

Caution

Skip ultrasonic cleaners, steam cleaners, and any long soaks. And don’t just chuck it into a pouch with quartz or feldspar unless you’re fine with coming back to little scuffs and a chipped edge or two.

Works Well With

Uses, Symbolism and Collecting

Kammererite is valued mainly by mineral collectors, who prize saturated pink-to-magenta plates or rosettes set against a contrasting matrix such as pale green serpentine or whitish dolomite. Its softness rules out most jewelry and daily carry. Pocket pieces tend to lose edges and shed purple flakes through contact with keys and coins, so display in a padded case or on a shelf suits it best.

In crystal traditions, kammererite is associated with insight and quieter thinking, and with the Third Eye, Crown and sometimes Heart chakras. Practitioners link it with Scorpio and Capricorn and with the elements Earth and Water. It is typically used for meditation or as a desk stone. These associations are cultural beliefs, not proven effects, and the stone is no substitute for medical care. If cleansing is part of a practice, gentle methods such as smoke, sound or a brief rest on selenite avoid damaging the plates. Salt and soil can scratch the surface.

Qualities
insightfulcalminggrounded
Zodiac Signs
Planets
Elements

Common mistakes

  • Identifying any purple micaceous mineral as Kammererite without checking geological context
  • Assuming polished purple material is Kammererite when the natural crystal habit is hidden
  • Confusing lepidolite’s lithium mica flakes with chromium-rich chlorite plates
  • Using color saturation alone as proof of authenticity
  • Buying high-priced specimens without clear photos, locality information, or seller expertise
  • Testing suspected Kammererite with harsh scratch tests that can damage the specimen

Identify Kammererite from a photo

Compare Kammererite traits, care tips, value clues, and common lookalikes with a clear photo.

Open the free Mineral identifier

Kammererite FAQ

Is kammererite real or dyed?
Natural kammererite gets its color from chromium in clinochlore. Dyed material is usually green chlorite or phlogopite, and dye pools in cracks and along cleavage planes. Glass imitations feel heavier and warmer, lack platy cleavage, and may show bubbles under magnification.
How do you tell kammererite from lepidolite?
Lepidolite is a lithium mica, usually lilac to pink, found in pegmatites. Kammererite tends toward hot pink or magenta, forms in chromium-rich ultramafic rocks, and often sits on serpentinite or chromite. Both are soft and flaky, so the host rock helps most.
How much is kammererite worth?
Rough or specimen pieces range from about $30 to $600, and cut stones from about $20 to $120 per carat. Value rests on color saturation and crystal habit. Sharp, platy crystals on a contrasting matrix cost more than dull, muddy chlorite seams.
What is the hardness of kammererite?
Kammererite measures about 2 to 2.5 on the Mohs scale, so a fingernail or copper coin can mark it. Its perfect cleavage lets thin plates peel away, giving poor scratch resistance and toughness. It suits collections better than rings or bracelets.
Can kammererite go in water?
A brief rinse is generally fine, since chlorite is stable under normal indoor conditions. Avoid soaking and rough scrubbing, because the soft, platy crystals can flake or cleave. Pat dry gently and keep it away from abrasive materials such as salt.
Where is kammererite found?
It forms in chromium-bearing ultramafic and serpentinite settings. It was first described in 1841 from the Bissersk area of the Ural Mountains in Russia and named for Count Alexander von Kammerer. Turkey's Kop Krom area is another known source.

Related Crystals

The metaphysical properties described are based on tradition and personal experience. Crystals are not a substitute for professional medical advice or treatment.