Where it forms, where it's found
- Geological setting
Uranium deposit in sandstone
- Type locality
- Mounana Mine
- Mounana
- Léboumbi-Leyou Department
- Haut-Ogooué Province
- Gabon
-1.4333°, 13.1500°
13recorded occurrences
Radioactivity
Physical
- Hardness
- 1Talc
- 2Gypsum
- 3Calcite
- 4Fluorite
- 5Apatite
- 6Orthoclase
- 7Quartz
- 8Topaz
- 9Corundum
- 10Diamond
- Transparency
- Translucent
- Colour
- Canary-yellow
- Density
- 4.88 g/cm³
Optical
- Optical type
- Biaxial (-) · 2V measured = 66°
- Notes
α = n.d. β = > 2 γ = > 2
Crystallography
- Cell parameters
- a = 10.40(4) Å · b = 8.45(3) Å · c = 16.34(4) Å
- Ratio a:b:c
- 1 : 0.812 : 1.571
- Z
- 4
- Type-locality form
Microcrystalline powder on tabular crystals of francevillite.
- Comment
Space Group: P can (synthetic).
Crystal structure
Chemical composition
Synonyms
- Curieniet
- IMA1967-049
In other languages
- German
- Curienit · IMA 1967-049
- Italian
- curienite
Classification
Strunz
10th ed.4.HB.15
- 4OxidesClass
- 4.HV[5,6] VanadatesDivision
- 4.HBUranyl SorovanodatesGroup
- 4.HB.15CurieniteSpecies
Dana
8th ed.40.2a.27.02
- 40Hydrated Normal Phosphates, Arsenates and VanadatesClass
- 40.2aAB2(XO4)2·xH2O, containing (UO2)2+Type
- 40.2a.27— unnamed intermediate level —Group
- 40.2a.27.02CurieniteSpecies
CIM
—21.4.13
- 21Vanadates (and vanadates with arsenate or phosphate)Class
- 21.4Vanadates of U, Mn, Fe or NiGroup
- 21.4.13CurieniteSpecies
Group, growth & confusion
Literature, links & citation
Citations
- 1968Cesbron, Fabien, Morin, Noël (1968) Une nouvelle espèce minérale : la curiénite. Étude de la série francevillite-curiénite. Bulletin de Minéralogie, 91 (5) 453-459 doi:10.3406/bulmi.1968.6260 DOI: 10.3406/bulmi.1968.6260
- 1969Fleischer, Michael (1969) New Mineral Names. American Mineralogist, 54 (7-8) 1218-1223
- 1971Borène, J. and Cesbron, F. (1971) Structure cristalline de la curiénite Pb(UO2)2(VO4)2·5H2O. Bulletin de la Société française de Minéralogie et de Cristallographie: 94: 8-14.
- 1981Deliens M., Piret P., Comblain G. (1981) Les Minéraux secondaires d'uranium du Zaïre.
- 1992Pauliš, P. (1992) Curienite from Abertamy near Jachymov, Western Bohemia, Czechoslovakia. Casopis pro Mineralogii a Geologii: 37(1): 55–56. (in Czech with English abs.)
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Curienite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/curienite-1196},
note = {Accessed 2026-05-11}
}