Magnesiohögbomite-6N6S

(Mg,Al,Fe)3(Al,Ti)8O15(OH)
IMA status
  • Approved
IMA symbol
Mhög-6N6S
Also known as
  • Högbomite-24R
  • Magnesiohögbomiet-6N6S

Where it forms, where it's found

Type locality
Liganga
  1. Lake Malawi
  2. Ludewa District
  3. Njombe Region
  4. Tanzania

-9.8667°, 34.8500°

3recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Trigonal
Space group
#99
Cell parameters
a = 5.7 Å · c = 55.8 Å
Z
6
Crystal structure

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
22TiTitaniumTitanium847.867382.936
32.53%
13AlAluminiumAluminium1126.982296.802
25.21%
8OOxygenOxygen1615.999255.984
21.75%
26FeIronIron355.845167.535
14.23%
12MgMagnesiumMagnesium324.30572.915
6.19%
1HHydrogenHydrogen11.0081.008
0.09%
Total1177.180100.00%

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

From IMA formula

Synonyms

  • Högbomite-24R
  • Magnesiohögbomiet-6N6S

In other languages

German
Magnesiohögbomit-6N6S
Italian
Magnesiohögbomite-6N6S

Classification

Strunz
10th ed.

4.CB.20

  • 4OxidesClass
  • 4.CMetal: Oxygen = 2: 3,3: 5, and similarDivision
  • 4.CBWith medium-sized cationsGroup
  • 4.CB.20Magnesiohögbomite-6N6SSpecies

Literature, links & citation

Citations
  1. 1990Schmetzer, K., Berger, A. (1990) Lamellar iron-free högbomite-24R from Tanzania. Neues Jahrbuch für Mineralogie, Monatshefte, 1990, 401-412.
  2. 2002Hejny, Clivia, Armbruster, Thomas (2002) Polysomatism in högbomite: The crystal structures of 10T, 12H, 14T, and 24R polysomes. American Mineralogist, 87 (2-3). 277-292 doi:10.2138/am-2002-2-309 DOI: 10.2138/am-2002-2-309
  3. 2002Armbruster, Thomas (2002) Revised nomenclature of högbomite, nigerite, and taaffeite minerals. European Journal of Mineralogy, 14 (2) 389-395 doi:10.1127/0935-1221/2002/0014-0389DOI: 10.1127/0935-1221/2002/0014-0389
  4. 2003Grice, J. D.; Ferraris, G. (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association. The Canadian Mineralogist, 41 (3). 795-802 doi:10.2113/gscanmin.41.3.795 DOI: 10.2113/gscanmin.41.3.795
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Magnesiohögbomite-6N6S — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/magnesiohogbomite-6n6s-11447},
  note      = {Accessed 2026-05-11}
}