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Phosphate

Kuannersuite-(Ce)

NaCeBa₃(PO₄)₃F₀.₅Cl₀.₅
Hardness4.5–5.5
Crystal systemHexagonal
ClassPhosphate
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Kuannersuite-(Ce)

Kuannersuite-(Ce) is an IMA-recognized mineral species in the phosphate class, with the chemical formula NaCeBa₃(PO₄)₃F₀.₅Cl₀.₅.

It crystallizes in the hexagonal crystal system (space group P-3). It is a member of the Apatite structural group.

Key properties: Mohs hardness 4.5–5.5; specific gravity 2.51; White streak; Vitreous luster; optically uniaxial.

IMA symbol Kua-Ce, IMA status: approved, named in 2002.

Found in albite-lined cavities in veins that cut augite syenite in an alkaline igneous complex.

It is found associated with Aegirine, analcime, beryllite, chkalovite, galena, gmelinite, gonnardite, lovdarite, nabesite, neptunite, pectolite, polylithionite, pyrochlore, sphalerite.

The name refers to the locality from which the first specimens were obtained, the Kuannersuit Plateau, and a suffix for the dominant rare earth element, Cesium.

Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet. Browse more K minerals or help write this entry.