Lovdarite is a rare beryllium silicate mineral primarily known from highly alkaline pegmatites. It typically forms attractive, clear-to-white tabular crystals or radiating sprays that are highly prized by systematic mineral collectors.

Hardness
5-6
Mohs
Luster
Vitreous
Streak
White
Transparency
Transparent to translucent

Is this lovdarite?

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 lovdarite with a known reference. Lovdarite sits at Mohs 5-6, softer than the next harder reference, harder than the previous one.
  • 2
    Check the streak
    Drag the specimen across an unglazed porcelain plate. Streak: white.
  • 3
    Read the luster
    Hold the specimen under a strong light. Luster: vitreous.
  • 4
    Match the color range
    Compare against the expected color range: colorless, yellow, yellowish white, white.
  • 5
    Look at form & habit
    Crystal system: orthorhombic. Typical habit: prismatic, radial.

Often confused with

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

Often found alongside lovdarite

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

All properties

Chemical formula
Na₁₂K₄Be₈Si₂₈O₇₂·18H₂O
Mohs hardness
5-6
Density
2.33 g/cm³
Streak
White
Luster
Vitreous
Transparency
Transparent to translucent
Crystal system
Orthorhombic
Crystal habit
Prismatic, radial
Cleavage
Distinct on {100}, {010}, {001}; poor on {110}
Fluorescence
Bright green under SW UV
Rarity
Rare
Uses
Collector
Host rock
A late hydrothermal mineral in alkalic pegmatites in a differentiated alkalic massif

Where rockhounds find lovdarite

Classic worldwide localities

  • Jubilee pegmatite, Mt. Karnasurt, Lovozero massif, Kola Peninsula, Russia

Field-hunting tip

Where it forms: A late hydrothermal mineral in alkalic pegmatites in a differentiated alkalic massif. If you start seeing chkalovite in float, you are in the right ground. Typical habit: prismatic, radial. Train your eye for that shape before scanning the outcrop.

Common questions

How do you identify lovdarite?+
Mohs hardness is 5-6. Luster: vitreous. The streak is white. Common colors include colorless, yellow, yellowish white, white.
Where is lovdarite found?+
Notable localities include Jubilee pegmatite, Mt. Karnasurt, Lovozero massif, Kola Peninsula, Russia.
Is lovdarite safe to handle?+
Lovdarite contains beryllium. Wash your hands afterwards, never grind or breathe the dust, and store it apart from specimens you handle often.
What rocks look like lovdarite?+
Lovdarite is most often confused with Natrolite, Analcime, Leifite. A quick hardness test and a streak check separate the look-alikes faster than color alone.
What minerals are found with lovdarite?+
Lovdarite commonly co-occurs with Chkalovite. Spotting any of these in float or country rock is a useful trip signal.
What kind of rock does lovdarite form in?+
Where it forms: A late hydrothermal mineral in alkalic pegmatites in a differentiated alkalic massif. Working float back to the host body is the standard way to chase a fresh occurrence.
What is lovdarite used for?+
Lovdarite is used in collector.

Find lovdarite on the map

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