Neskevaaraite-Fe is a very rare member of the labuntsovite group typically found in alkaline pegmatites on the Kola Peninsula. It occurs as small, yellow to brown prismatic crystals and is primarily sought after by advanced systematic mineral collectors.

Hardness

Mohs

Luster

Vitreous

Streak

White

Transparency

Translucent

mineralrareLabuntsovite Group family

Neskevaaraite-Fe

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

No image

Is this neskevaaraite-fe?

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 neskevaaraite-fe with a known reference. Neskevaaraite-Fe 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. Neskevaaraite-Fe leaves a white streak.
3
Read the luster
Hold the specimen under a strong light. Neskevaaraite-Fe typically shows a vitreous luster.
4
Match the color range
Compare against the expected color range: yellow, brown.
5
Look at form & habit
Crystal system: monoclinic. Typical habit: prismatic crystals.

Often found alongside neskevaaraite-fe

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

All properties

Chemical formula: (Na,K,Ca)₂(Fe³⁺,Mg,Mn)₂(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·5H₂O
Mohs hardness: 5
Density: 2.9 g/cm³
Colors: Yellow Brown
Streak: White
Luster: Vitreous
Transparency: Translucent
Crystal system: Monoclinic
Crystal habit: Prismatic Crystals
Cleavage: None
Rarity: Rare
Uses: Collector
Host rock: Alkaline Pegmatites
Typical price: $50-300 per specimen

Where rockhounds find neskevaaraite-fe

Classic worldwide localities

Neskevaara, Kola Peninsula, Russia

Field-hunting tip

Look in alkaline pegmatites country — that is the host setting where neskevaaraite-fe typically forms. If you start seeing aegirine, microcline, nepheline 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 neskevaaraite-fe?+

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

Where is neskevaaraite-fe found?+

Notable localities include Neskevaara, Kola Peninsula, Russia.

How much is neskevaaraite-fe 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 minerals are found with neskevaaraite-fe?+

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

What kind of rock does neskevaaraite-fe form in?+

Neskevaaraite-Fe typically forms in alkaline pegmatites. Working float back to the host body is the standard way to chase a fresh occurrence.

What is neskevaaraite-fe used for?+

Neskevaaraite-Fe is used in collector.

Find neskevaaraite-fe on the map

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