Lagalyite

Ca2xMn1-xO2 · 1.5-2H2O (x = 0.05-0.08)
IMA status
  • Approved
  • Pending publication
IMA symbol
Lag
IMA approved
2016
Also known as
  • IMA2016-106
  • Lagalyiet

Where it forms, where it's found

Type locality
Christbescherung Mine
  1. Großvoigtsberg
  2. Großschirma
  3. Mittelsachsen
  4. Saxony
  5. Germany

50.9889°, 13.2953°

9recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Monoclinic
Cell parameters
a = 5.146(9) Å · b = 2.81(1) Å · c = 9.98(2) Å
Cell angles
β = 94.2(2) °
Ratio a:b:c
1 : 0.546 : 1.939
Comment

Space group unknown (possibly C2).

Synonyms

  • IMA2016-106
  • Lagalyiet

In other languages

German
IMA 2016-106 · Lagalyit

Classification

Strunz
10th ed.

4.FL.90

  • 4OxidesClass
  • 4.FHydroxides (without V or U)Division
  • 4.FLHydroxides with H2O +- (OH); sheets of edge-sharing octahedraGroup
  • 4.FL.90LagalyiteSpecies

Literature, links & citation

Citations
  1. 2017Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2017) New minerals and nomenclature modifications approved in 2017. CNMNC Newsletter No 36. Mineralogical Magazine, 81 (2) 403-409 doi:10.1180/minmag.2017.081.022DOI: 10.1180/minmag.2017.081.022
  2. 2022(2022) Lagalyite. Handbook of Mineralogy. Mineralogical Society of America
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Lagalyite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/lagalyite-51579},
  note      = {Accessed 2026-05-11}
}