Khanneshite is a rare carbonate mineral discovered in the Khanneshin carbonatite complex of Afghanistan. It typically forms as prismatic to acicular crystals and is primarily sought after by advanced mineral collectors specializing in rare carbonatite species.

Hardness

3-4

Mohs

Luster

Vitreous

Streak

White

Transparency

Transparent

mineralrareDawsonite Group family

Khanneshite

Hardness: 3-4
Luster: Vitreous
Streak: White
Transparency: Transparent

Is this khanneshite?

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 khanneshite with a known reference. Khanneshite sits at Mohs 3-4 — softer than the next harder reference, harder than the previous one.
2
Check the streak
Drag the specimen across an unglazed porcelain plate. Khanneshite leaves a white streak.
3
Read the luster
Hold the specimen under a strong light. Khanneshite typically shows a vitreous luster.
4
Match the color range
Compare against the expected color range: white, colorless, pale yellow.
5
Look at form & habit
Crystal system: hexagonal. Typical habit: prismatic crystals.

Often confused with

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

mineral

Dawsonite

Mohs 3

How to tell apart: Luster reads vitreous on Khanneshite and pearly on Dawsonite.

Compare →

Often found alongside khanneshite

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

All properties

Chemical formula: (Na,Ca)₃Ba₃(CO₃)₅
Mohs hardness: 3-4
Density: 2.8 g/cm³
Colors: White Colorless Pale Yellow
Streak: White
Luster: Vitreous
Transparency: Transparent
Crystal system: Hexagonal
Crystal habit: Prismatic Crystals
Cleavage: Perfect
Rarity: Rare
Uses: Collector
Host rock: Carbonatite
Typical price: $50-300 per specimen

Where rockhounds find khanneshite

Classic worldwide localities

Khanneshin Carbonatite Complex, Afghanistan

Field-hunting tip

Look in carbonatite country — that is the host setting where khanneshite typically forms. If you start seeing calcite, baryte, aegirine in float, you are in the right ground. Field specimens usually show a prismatic crystals habit, so train your eye for that shape before scanning the outcrop.

Common questions

How do you identify khanneshite?+

Mohs hardness is 3-4. It typically shows a vitreous luster. The streak is white. Common colors include white, colorless, pale yellow.

Where is khanneshite found?+

Notable localities include Khanneshin Carbonatite Complex, Afghanistan.

How much is khanneshite 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 khanneshite?+

Khanneshite is most often confused with Dawsonite. A quick hardness test and a streak check separate the look-alikes faster than color alone.

What minerals are found with khanneshite?+

Khanneshite commonly co-occurs with Calcite, Baryte, Aegirine, Fluorapatite. Spotting any of these in float or country rock is a useful trip signal.

What kind of rock does khanneshite form in?+

Khanneshite typically forms in carbonatite. Working float back to the host body is the standard way to chase a fresh occurrence.

What is khanneshite used for?+

Khanneshite is used in collector.

Find khanneshite on the map

RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.