Kuannersuite-(Ce) is a rare sodium cerium barium phosphate, typically light rose. It occurs in albite-lined cavities in veins that cut augite syenite in an alkaline igneous complex. It was first described from material found in Denmark (Greenland).

Hardness
4.5-5.5
Mohs
Luster
Vitreous
Streak
White
Transparency
Translucent

Is this kuannersuite-(ce)?

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 kuannersuite-(ce) with a known reference. Kuannersuite-(Ce) sits at Mohs 4.5-5.5, 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: light rose.
  • 5
    Look at form & habit
    Crystal system: trigonal. Typical habit: hexagonal, prismatic.

Often confused with

Kuannersuite-(Ce) vs. its common look-alikes, and how to tell them apart in the field.

Often found alongside kuannersuite-(ce)

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

All properties

Chemical formula
NaCeBa₃(PO₄)₃F₀.₅Cl₀.₅
Mohs hardness
4.5-5.5
Density
2.51 g/cm³
Colors
Light rose
Streak
White
Luster
Vitreous
Transparency
Translucent
Crystal system
Trigonal
Crystal habit
Hexagonal, prismatic
Cleavage
Poor on {101̄0} and {0001}
Rarity
Rare
Uses
Collector, Scientific research
Host rock
In albite-lined cavities in veins that cut augite syenite in an alkaline igneous complex

Where rockhounds find kuannersuite-(ce)

Classic worldwide localities

  • Kuannersuit Plateau, Ilímaussaq alkaline complex, South Greenland

Field-hunting tip

Where it forms: In albite-lined cavities in veins that cut augite syenite in an alkaline igneous complex. If you start seeing aegirine, analcime, beryllite in float, you are in the right ground. Typical habit: hexagonal, prismatic. Train your eye for that shape before scanning the outcrop.

Common questions

How do you identify kuannersuite-(ce)?+
Mohs hardness is 4.5-5.5. Luster: vitreous. The streak is white. Common colors include light rose.
Where is kuannersuite-(ce) found?+
Notable localities include Kuannersuit Plateau, Ilímaussaq alkaline complex, South Greenland.
What rocks look like kuannersuite-(ce)?+
Kuannersuite-(Ce) is most often confused with Eudialyte, Steenstrupine-(Ce). A quick hardness test and a streak check separate the look-alikes faster than color alone.
What minerals are found with kuannersuite-(ce)?+
Kuannersuite-(Ce) commonly co-occurs with Aegirine, Analcime, Beryllite, Chkalovite, Galena, Gmelinite. Spotting any of these in float or country rock is a useful trip signal.
What kind of rock does kuannersuite-(ce) form in?+
Where it forms: In albite-lined cavities in veins that cut augite syenite in an alkaline igneous complex. Working float back to the host body is the standard way to chase a fresh occurrence.
What is kuannersuite-(ce) used for?+
Kuannersuite-(Ce) is used in collector, scientific research.

Find kuannersuite-(ce) on the map

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