Khibinskite is a rare potassium zirconium silicate discovered in the alkaline massifs of the Kola Peninsula. It typically occurs as small, tabular crystals within nepheline syenites and is highly prized by mineralogists specializing in rare alkaline minerals.

Hardness

Mohs

Luster

Vitreous

Streak

White

Transparency

Transparent

mineralrare

Khibinskite

Hardness: 5
Luster: Vitreous
Streak: White
Transparency: Transparent

No image

Is this khibinskite?

5-step field check

Run through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.

1
Test the hardness
Try to scratch khibinskite with a known reference. Khibinskite sits at Mohs 5 — softer than the next harder reference, harder than the previous one.
2
Check the streak
Drag the specimen across an unglazed porcelain plate. Khibinskite leaves a white streak.
3
Read the luster
Hold the specimen under a strong light. Khibinskite typically shows a vitreous luster.
4
Match the color range
Compare against the expected color range: colorless, white, pale yellow.
5
Look at form & habit
Crystal system: monoclinic. Typical habit: tabular crystals, massive, granular.

Often confused with

Khibinskite vs. its common look-alikes — and how to tell them apart in the field.

How to tell apart: Wadeite is the harder of the two (Mohs 6 vs. 5).

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Often found alongside khibinskite

Minerals reported to co-occur with khibinskite. Spotting these in float or country rock is a strong cue you are in the right ground.

All properties

Chemical formula: K₂ZrSi₂O₇
Mohs hardness: 5
Density: 3.08 g/cm³
Colors: Colorless White Pale Yellow
Streak: White
Luster: Vitreous
Transparency: Transparent
Crystal system: Monoclinic
Crystal habit: Tabular Crystals, Massive, Granular
Cleavage: Good in One Direction
Rarity: Rare
Uses: Collector
Host rock: Alkaline Igneous Rocks
Typical price: $50-300 per specimen

Where rockhounds find khibinskite

Classic worldwide localities

Khibiny Massif, Kola Peninsula, Russia

Field-hunting tip

Look in alkaline igneous rocks country — that is the host setting where khibinskite typically forms. If you start seeing nepheline, microcline, aegirine in float, you are in the right ground. Field specimens usually show a tabular crystals, massive, granular habit, so train your eye for that shape before scanning the outcrop.

Common questions

How do you identify khibinskite?+

Mohs hardness is 5. It typically shows a vitreous luster. The streak is white. Common colors include colorless, white, pale yellow.

Where is khibinskite found?+

Notable localities include Khibiny Massif, Kola Peninsula, Russia.

How much is khibinskite worth?+

Typical asking prices fall in the range of $50-300 per specimen. Quality, size, and provenance can move individual specimens well outside that range.

What rocks look like khibinskite?+

Khibinskite is most often confused with Eudialyte, Wadeite. A quick hardness test and a streak check separate the look-alikes faster than color alone.

What minerals are found with khibinskite?+

Khibinskite commonly co-occurs with Nepheline, Microcline, Aegirine, Eudialyte. Spotting any of these in float or country rock is a useful trip signal.

What kind of rock does khibinskite form in?+

Khibinskite typically forms in alkaline igneous rocks. Working float back to the host body is the standard way to chase a fresh occurrence.

What is khibinskite used for?+

Khibinskite is used in collector.

Find khibinskite on the map

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