Lenoblite

V4+2O4 · 2H2O
IMA status
  • Approved
IMA symbol
Lnb
Discovered
1970
IMA approved
1970
Also known as
  • IMA1970-002
  • Lenobliet

Where it forms, where it's found

Type locality
Mounana Mine
  1. Mounana
  2. Léboumbi-Leyou Department
  3. Haut-Ogooué Province
  4. Gabon

-1.4333°, 13.1500°

4recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Orthorhombic
Space group
#44
Cell parameters
a = 2.995 Å · b = 4.820 Å · c = 14.800 Å
Ratio a:b:c
1 : 1.609 : 4.942
Z
2

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
23VVanadiumVanadium250.942101.884
50.46%
8OOxygenOxygen615.99995.994
47.54%
1HHydrogenHydrogen41.0084.032
2.00%
Total201.910100.00%

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

From IMA formula

Synonyms

  • IMA1970-002
  • Lenobliet

In other languages

German
Lenoblit
Italian
Lenoblite

Classification

Strunz
10th ed.

4.HG.60

  • 4OxidesClass
  • 4.HV[5,6] VanadatesDivision
  • 4.HGUnclassified V oxidesGroup
  • 4.HG.60LenobliteSpecies
Dana
8th ed.

04.04.17.01

  • 04Simple OxidesClass
  • 04.04AX2Type
  • 04.04.17— unnamed intermediate level —Group
  • 04.04.17.01LenobliteSpecies
CIM

7.12.7

  • 7Oxides and HydroxidesClass
  • 7.12Oxides of V, Nb and TaGroup
  • 7.12.7LenobliteSpecies

Literature, links & citation

Citations
  1. 1970Cesbron, Fabien, Vachey, Hélène (1970) La lenoblite, nouvel oxyde hydraté de vanadium (IV) Bulletin de Minéralogie, 93 (2) 235-241 doi:10.3406/bulmi.1970.6458DOI: 10.3406/bulmi.1970.6458
  2. 1971Smyslova, I.G. and Shitov, V.A. (1971): Lenoblite from Kyzyl-Kum. Second find in the world. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 100, 488-491 (in Russian).
  3. 1977Theobald, F. (1977): A comparison of natural and synthetic vanadium oxyhydroxides. Bulletin de la Société Chimique de France 1977 (9-10, Pt. 1), 803-807.
  4. 2005(2005) Lenoblite. Handbook of Mineralogy. Mineralogical Society of America
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Lenoblite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/lenoblite-2376},
  note      = {Accessed 2026-05-11}
}