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About Magnesiohögbomite-2N4SHide

Arvid G. Högbom
6½ - 7
Specific Gravity:
3.702 (Calculated)
Crystal System:
For the base name - högbomite, the chemistry - Magnesio, and the polysome. The base name is for Arvid Gustaf Högbom (11 January 1857, Vännäs, Västerbotten, Sweden - 19 January 1940, Uppsala, Sweden), Professor of Mineralogy and Geology at Uppsala University.
This page provides mineralogical data about Magnesiohögbomite-2N4S.

Classification of Magnesiohögbomite-2N4SHide

Approval Year:

Physical Properties of Magnesiohögbomite-2N4SHide

light orange
6½ - 7 on Mohs scale
VHN300=1020 - 1051 kg/mm2 - Vickers
3.702(2) g/cm3 (Calculated)

Optical Data of Magnesiohögbomite-2N4SHide

Uniaxial (-)
O=reddish brown and E=pale brown
Mean refractive index is 1.85. Birefringence is unknown.

Chemical Properties of Magnesiohögbomite-2N4SHide

IMA Formula:

Crystallography of Magnesiohögbomite-2N4SHide

Crystal System:
Class (H-M):
6mm - Dihexagonal Pyramidal
Space Group:
Cell Parameters:
a = 5.71050(10) Å, c = 27.6760(4) Å
a:c = 1 : 4.847
Unit Cell V:
781.6 ų

Type Occurrence of Magnesiohögbomite-2N4SHide

General Appearance of Type Material:
Euhedral crystals are hexagonal plates or prisms with cleavage planes on {001}
Geological Setting of Type Material:
It occurs in Mg-Al-rich, Si-poor skarns, in retrograde assemblage.
Associated Minerals at Type Locality:

Synonyms of Magnesiohögbomite-2N4SHide

Relationship of Magnesiohögbomite-2N4S to other SpeciesHide

Other Members of this group:
Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2Hex. 6mm : P63mc
Ferrohögbomite-6N12S[(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6Trig. 3m (3 2/m) : R3m
Magnesiohögbomite-2N2S[(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2Hex. 6mm : P63mc
Magnesiohögbomite-2N3S[(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2Trig. 3m (3 2/m) : P3 1m
Zincohögbomite-2N2S[(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2Hex. 6mm : P63mc
Zincohögbomite-2N6S[(Zn,Mg)7(Al,Fe3+,Ti)16O31(OH)]2Hex. 6mm : P63mc

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Magnesiohögbomite-2N4SHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Toshiaki Shimura, Junji Akai, Biljana Lazic, Thomas Armbruster, Masaaki Shimizu, Atsushi Kamei, Kazuhiro Tsukada, Masaaki Owada and Masaki Yuhara (2012): Magnesiohoegbomite-2N4S; a new polysome from the central Sor Rondane Mountains, East Antarctica. American Mineralogist, 97, 268-280.

Internet Links for Magnesiohögbomite-2N4SHide

Localities for Magnesiohögbomite-2N4SHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Antarctica (TL)
  • Eastern Antarctica
    • Queen Maud Land
Toshiaki Shimura, Junji Akai, Biljana Lazic, Thomas Armbruster, Masaaki Shimizu, Atsushi Kamei, Kazuhiro Tsukada, Masaaki Owada and Masaki Yuhara (2012) Magnesiohoegbomite-2N4S; a new polysome from the central Sor Rondane Mountains, East Antarctica American Mineralogist, 97(2-3):268-280
Mineral and/or Locality  
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