Magnesiohögbomite-2N4S

[(Mg8.43Fe2+1.57)E=10Al22Ti4+2O46(OH)2]
IMA status
  • Approved
IMA symbol
Mhög-2N4S
IMA approved
2010
Also known as
  • IMA2010-084
  • Magnesiohögbomiet-2N4S

Where it forms, where it's found

Geological setting

It occurs in Mg-Al-rich, Si-poor skarns, in retrograde assemblage.

Type locality
Sør Rondane Mountains
  1. Queen Maud Land
  2. East Antarctica
  3. Antarctica

-72.0000°, 25.0000°

1recorded occurrences
Source · OpenStreetMap

Physical

Hardness
123456789106.5 – 7/ 10 MOHS
  1. 1Talc
  2. 2Gypsum
  3. 3Calcite
  4. 4Fluorite
  5. 5Apatite
  6. 6Orthoclase
  7. 7Quartz
  8. 8Topaz
  9. 9Corundum
  10. 10Diamond
Colour
Orange-red
Streak
Light orange
Cleavage
Distinct/Good

(001)

Density
3.702 g/cm³

Optical

Optical type
Uniaxial (-)
Pleochroism
Visible

O = reddish brown and E = pale brown.

UV response
Not fluorescent.
Notes

Mean refractive index is 1.85. Birefringence is unknown.

Crystallography

Crystal system
Hexagonal
Space group
#114
Cell parameters
a = 5.71050(10) Å · c = 27.6760(4) Å
Unit cell volume
781.6 ų
Z
1
Type-locality form

Euhedral crystals are hexagonal plates or prisms with cleavage planes on (001).

Crystal structure

Synonyms

  • IMA2010-084
  • Magnesiohögbomiet-2N4S

In other languages

German
IMA 2010-084 · Magnesiohögbomit-2N4S · Magnesiohögbomite-2N4S
Italian
magnesiohögbomite-2N4S

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-2N4SSpecies

Group, growth & confusion

In the same group
3 members

Literature, links & citation

Citations
  1. 2011Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2011) New minerals and nomenclature modifications approved in 2011. CNMNC Newsletter No 9. Mineralogical Magazine, 75 (4) 2535-2540 doi:10.1180/minmag.2011.075.4.2535 DOI: 10.1180/minmag.2011.075.4.2535
  2. 2012Shimura, T.; Akai, J.; Lazic, B.; Armbruster, T.; Shimizu, M.; Kamei, A.; Tsukada, K.; Owada, M.; Yuhara, M. (2012) Magnesiohogbomite-2N4S: A new polysome from the central Sor Rondane Mountains, East Antarctica. American Mineralogist, 97 (2). 268-280 doi:10.2138/am.2012.3827 DOI: 10.2138/am.2012.3827
  3. 2023(2023) Magnesiohögbomite-2N4S. Handbook of Mineralogy. Mineralogical Society of America
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Magnesiohögbomite-2N4S — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/magnesiohogbomite-2n4s-43330},
  note      = {Accessed 2026-05-11}
}