Vandermeerscheite is a rare potassium uranium vanadate. It was approved as a distinct mineral species in 2018, from material found in Germany.

Hardness
2
Mohs
Luster
Vitreous
Streak
Yellow
Transparency
Transparent

Is this vandermeerscheite?

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 vandermeerscheite with a known reference. Vandermeerscheite sits at Mohs 2, softer than the next harder reference, harder than the previous one.
  • 2
    Check the streak
    Drag the specimen across an unglazed porcelain plate. Vandermeerscheite leaves a yellow streak.
  • 3
    Read the luster
    Hold the specimen under a strong light. Vandermeerscheite typically shows a vitreous luster.
  • 4
    Match the color range
    Compare against the expected color range: yellow, yellow-green.
  • 5
    Look at form & habit
    Crystal system: triclinic. Typical habit: tabular to blocky crystals.

Often confused with

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

Often found alongside vandermeerscheite

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

All properties

Chemical formula
K₂[(UO₂)₂V₂O₈]·2H₂O
Mohs hardness
2
Density
4.57 g/cm³
Streak
Yellow
Luster
Vitreous
Transparency
Transparent
Crystal system
Triclinic
Crystal habit
Tabular to Blocky Crystals
Cleavage
Good
Rarity
Rare
Uses
Collector
Host rock
Oxidized Zones of Uranium-bearing Copper-cobalt Deposits

Where rockhounds find vandermeerscheite

Classic worldwide localities

  • Kamoto East Mine, Democratic Republic of the Congo

Field-hunting tip

Look in oxidized zones of uranium-bearing copper-cobalt deposits country, the host setting where vandermeerscheite typically forms. If you start seeing parsonsite, saleeite in float, you are in the right ground. Field specimens usually show a tabular to blocky crystals habit, so train your eye for that shape before scanning the outcrop.

Common questions

How do you identify vandermeerscheite?+
Mohs hardness is 2. It typically shows a vitreous luster. The streak is yellow. Common colors include yellow, yellow-green.
Where is vandermeerscheite found?+
Notable localities include Kamoto East Mine, Democratic Republic of the Congo.
Is vandermeerscheite safe to handle?+
This mineral is radioactive. It contains toxic constituents. Contains uranium and is radioactive; store it apart from other specimens. Wash hands thoroughly after handling and avoid creating dust. Handle with care, avoid grinding or breathing dust, and store separately.
What rocks look like vandermeerscheite?+
Vandermeerscheite is most often confused with Autunite, Torbernite. A quick hardness test and a streak check separate the look-alikes faster than color alone.
What minerals are found with vandermeerscheite?+
Vandermeerscheite commonly co-occurs with Parsonsite, Saleeite. Spotting any of these in float or country rock is a useful trip signal.
What kind of rock does vandermeerscheite form in?+
Vandermeerscheite typically forms in oxidized zones of uranium-bearing copper-cobalt deposits. Working float back to the host body is the standard way to chase a fresh occurrence.
What is vandermeerscheite used for?+
Vandermeerscheite is used in collector.

Find vandermeerscheite on the map

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