Metasaléeite

Mg(UO2)2(PO4)2 · 8H2O
IMA status
  • Approved
  • Grandfathered
IMA symbol
Mslé
Also known as
  • Meta-saleeit
  • Metasaléeiet

Where it forms, where it's found

Type locality
Shinkolobwe Mine
  1. Shinkolobwe
  2. Kambove Territory
  3. Haut-Katanga
  4. DR Congo

-11.0486°, 26.5508°

11recorded occurrences
Source · OpenStreetMap

Radioactivity

Crystallography

Cell parameters
a = 7.212(3) Å · c = 17.707(3) Å
Comment

Selce (Slovensko).; Crystal System: n.d.; Point Group n.d.; Space Gtroup n.d.

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
92UUraniumUranium2238.029476.058
52.99%
8OOxygenOxygen2015.999319.980
35.62%
15PPhosphorusPhosphorus230.97461.948
6.89%
12MgMagnesiumMagnesium124.30524.305
2.71%
1HHydrogenHydrogen161.00816.128
1.79%
Total898.419100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From IMA formula

Synonyms

  • Meta-saleeit
  • Metasaléeiet

In other languages

German
Metasaléeit
Italian
metasaléeite

Classification

Strunz
10th ed.

8.EB.10

  • 8Phosphates, Arsenates, VanadatesClass
  • 8.EUranyl phosphates and arsenatesDivision
  • 8.EBUO2:RO4 = 1:1Group
  • 8.EB.10MetasaléeiteSpecies

Group, growth & confusion

Literature, links & citation

Citations
  1. Powder Diffraction File (International Center for Diffraction Data) 41-1389.
  2. 1950Mrose, Mary E. (1950) Studies on uranium minerals (III): Saléeite from Schneeberg, Saxon. American Mineralogist, 35 (7-8) 525-530
  3. 2005Suzuki, Y., Sato, T., Isobe, H., Kogure, T., Murakami, T. (2005) Dehydration processes in the meta-autunite group minerals meta-autunite, metasaléeite, and metatorbernite. American Mineralogist, 90 (8) 1308-1314 doi:10.2138/am.2005.1568 DOI: 10.2138/am.2005.1568
  4. 2017Polák Ľ, Ferenc Š, Mikuš T, Sejkora J (2017) Nové údaje o uranylových mineráloch z lokality Selce pri Banskej Bystrici (severné veporikum, Slovenská republika). Bull Mineral Petrolog 25(2): 162-169 ISSN 2570-7337
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Metasaléeite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/metasaleeite-2664},
  note      = {Accessed 2026-05-11}
}