Verbierite is a rare beryllium chromium titanium oxide. It was approved as a distinct mineral species in 2015. It was first described from Savoleyres, north of Verbier, Wallis, Switzerland.

Hardness
3
Mohs
Luster
Metallic
Transparency
Opaque

Is this verbierite?

4-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 verbierite with a known reference. Verbierite sits at Mohs 3, softer than the next harder reference, harder than the previous one.
  • 2
    Read the luster
    Hold the specimen under a strong light. Luster: metallic.
  • 3
    Match the color range
    Compare against the expected color range: dark gray, black.
  • 4
    Look at form & habit
    Crystal system: orthorhombic. Typical habit: tabular crystals, massive, granular.

Often confused with

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

Often found alongside verbierite

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

All properties

Chemical formula
BeCr³⁺₂TiO₆
Mohs hardness
3
Luster
Metallic
Transparency
Opaque
Crystal system
Orthorhombic
Crystal habit
Tabular crystals, massive, granular
Rarity
Rare
Uses
Collector
Host rock
dolomite marble

Where rockhounds find verbierite

Classic worldwide localities

  • Savoleyres, north of Verbier, Wallis, Switzerland

Field-hunting tip

Where it forms: dolomite marble. If you start seeing realgar, pyrite, sartorite in float, you are in the right ground. Typical habit: tabular crystals, massive, granular. Train your eye for that shape before scanning the outcrop.

Common questions

How do you identify verbierite?+
Mohs hardness is 3. Luster: metallic. Common colors include dark gray, black.
Where is verbierite found?+
Notable localities include Savoleyres, north of Verbier, Wallis, Switzerland.
Is verbierite safe to handle?+
Verbierite 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 verbierite?+
Verbierite is most often confused with Sartorite, Gratonite. A quick hardness test and a streak check separate the look-alikes faster than color alone.
What minerals are found with verbierite?+
Verbierite commonly co-occurs with Realgar, Pyrite, Sartorite, Baumhauerite. Spotting any of these in float or country rock is a useful trip signal.
What kind of rock does verbierite form in?+
Where it forms: dolomite marble. Working float back to the host body is the standard way to chase a fresh occurrence.
What is verbierite used for?+
Verbierite is used in collector.

Find verbierite on the map

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