Korobitsynite is a rare member of the labuntsovite group typically found as small, distinct prismatic crystals in alkaline igneous environments. Collectors prize it for its specific association with the complex pegmatites of the Kola Peninsula. It is best identified by its characteristic yellow hue and association with other rare alkaline minerals.
Is this korobitsynite?
5-step field checkRun through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.
- 1Test the hardnessTry to scratch korobitsynite with a known reference. Korobitsynite sits at Mohs 5 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Korobitsynite leaves a white streak.
- 3Read the lusterHold the specimen under a strong light. Korobitsynite typically shows a vitreous luster.
- 4Match the color rangeCompare against the expected color range: yellow, brownish-yellow, pale yellow.
- 5Look at form & habitCrystal system: monoclinic. Typical habit: prismatic crystals, radial aggregates.
Often confused with
Korobitsynite vs. its common look-alikes — and how to tell them apart in the field.
Often found alongside korobitsynite
Minerals reported to co-occur with korobitsynite. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- Na(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·3H₂O
- Mohs hardness
- 5
- Density
- 2.85-2.95 g/cm³
- Streak
- White
- Luster
- Vitreous
- Transparency
- Transparent
- Crystal system
- Monoclinic
- Crystal habit
- Prismatic Crystals, Radial Aggregates
- Cleavage
- Good in One Direction
- Rarity
- Rare
- Uses
- Collector
- Host rock
- Alkaline Pegmatites
- Typical price
- $50-300 per specimen
Where rockhounds find korobitsynite
Classic worldwide localities
- Kola Peninsula, Russia
- Lovozero Massif, Russia
Field-hunting tip
Look in alkaline pegmatites country — that is the host setting where korobitsynite typically forms. If you start seeing microcline, aegirine, nepheline in float, you are in the right ground. Field specimens usually show a prismatic crystals, radial aggregates habit, so train your eye for that shape before scanning the outcrop.
Common questions
How do you identify korobitsynite?+
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How much is korobitsynite worth?+
What rocks look like korobitsynite?+
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Find korobitsynite on the map
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