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Magnesiohögbomite-2N4S
A valid IMA mineral species
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About Magnesiohögbomite-2N4S
Arvid G. Högbom
Formula:
(Mg8.43Fe2+1.57)Σ=10Al22Ti4+2O46(OH)2
Colour:
Orange-red
Hardness:
6½ - 7
Specific Gravity:
3.702 (Calculated)
Crystal System:
Hexagonal
Member of:
Name:
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.
Name Encoding
Formatted:
magnesiohögbomite-2N4S
HTML:
magnesiohögbomite-2<i>N</i>4<i>S</i>
LaTeX:
magnesiohögbomite-2\textit{N}4\textit{S}
ASCII-7:
Magnesiohogbomite-2N4S
Unique Identifiers
Mindat ID:
43330
Long-form identifier:
mindat:1:1:43330:1
Similar Names
| Magnesiohögbomite-2N2S | A valid IMA mineral species | [(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2 |
| Magnesiohögbomite-2N3S | A valid IMA mineral species | [(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2 |
| Magnesiohögbomite-6N12S | A valid IMA mineral species | Mg5Al11TiO23(OH) |
| Magnesiohögbomite-6N6S | A valid IMA mineral species | [(Mg,Fe2+)3(Al,Ti,Fe3+)8O15(OH)]6 |
IMA Classification of Magnesiohögbomite-2N4S
Approved
IMA Formula:
[(Mg8.43Fe2+1.57)Σ=10Al22Ti4+2O46(OH)2]
Approval year:
2010
First published:
2012
Classification of Magnesiohögbomite-2N4S
4.CB.20
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Mhög-2N4S | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Magnesiohögbomite-2N4S
Colour:
Orange-red
Streak:
Light orange
Hardness:
6½ - 7 on Mohs scale
Hardness:
VHN300=1020 - 1051 kg/mm2 - Vickers
Cleavage:
Distinct/Good
{001}
{001}
Density:
3.702(2) g/cm3 (Calculated)
Optical Data of Magnesiohögbomite-2N4S
Type:
Uniaxial (-)
Pleochroism:
Visible
Comments:
O = reddish brown and E = pale brown.
Comments:
Mean refractive index is 1.85. Birefringence is unknown.
Chemistry of Magnesiohögbomite-2N4S
Mindat Formula:
(Mg8.43Fe2+1.57)Σ=10Al22Ti4+2O46(OH)2
Crystallography of Magnesiohögbomite-2N4S
Crystal System:
Hexagonal
Class (H-M):
6mm - Dihexagonal Pyramidal
Space Group:
P63mc
Cell Parameters:
a = 5.71050(10) Å, c = 27.6760(4) Å
Ratio:
a:c = 1 : 4.847
Unit Cell V:
781.6 ų
Z:
1
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.8561 Å | (37) |
| 2.6120 Å | (39) |
| 2.42818 Å | (100) |
| 2.4160 Å | (39) |
| 2.01181 Å | (50) |
| 1.54892 Å | (35) |
| 1.42785 Å | (57) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-? alteration and/or metamorphism | |
| 31 : Thermally altered carbonate, phosphate, and iron formations |
Type Occurrence of Magnesiohögbomite-2N4S
General Appearance of Type Material:
Euhedral crystals are hexagonal plates or prisms with cleavage planes on {001}.
Place of Conservation of Type Material:
National Museum of Nature and Science, Tokyo, Japan, number NSM-MF15438.
Parts of the holotype are deposited at the following places:
Polar Science Museum, Tokyo, Japan, no. NIPR-0073.
Science Museum of Niigata University, Niigata, Japan, no. NUMIN-NM02.
Museum of Natural History Bern, Switzerland, no. NMBE 41105.
Parts of the holotype are deposited at the following places:
Polar Science Museum, Tokyo, Japan, no. NIPR-0073.
Science Museum of Niigata University, Niigata, Japan, no. NUMIN-NM02.
Museum of Natural History Bern, Switzerland, no. NMBE 41105.
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-2N4S
Other Language Names for Magnesiohögbomite-2N4S
Dutch:Magnesiohögbomiet-2N4S
German:Magnesiohögbomit-2N4S
Relationship of Magnesiohögbomite-2N4S to other Species
Member of:
Other Members of Magnesiohögbomite subgroup:
| Magnesiohögbomite-2N2S | [(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2 | Hex. 6mm : P63mc |
| Magnesiohögbomite-2N3S | [(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2 | Trig. 3m(32/m) : P31m |
| Magnesiohögbomite-6N12S | Mg5Al11TiO23(OH) | Trig. 3m(32/m) : R3m |
Related Minerals - Strunz-mindat Grouping
| 4.CB. | Magnesiohögbomite-6N12S | Mg5Al11TiO23(OH) |
| 4.CB. | Kidodite | BaMg2Fe16O27 |
| 4.CB. | Ferrohögbomite-2N2S | [(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2 |
| 4.CB. | Zhenruite | (MoO3)2 · H2O |
| 4.CB. | Fuyuanite | Mg7Nb6O18(OH)8 |
| 4.CB. | Virgilluethite | MoO3 · H2O |
| 4.CB. | Pengite | (Pb8Sb3+3)Σ11Sb5+9O35 |
| 4.CB.05 | Brizziite | NaSb5+O3 |
| 4.CB.05 | Tistarite | Ti3+2O3 |
| 4.CB.05 | Hematite | Fe2O3 |
| 4.CB.05 | Ecandrewsite | ZnTiO3 |
| 4.CB.05 | Melanostibite | Mn2+2Fe3+Sb5+O6 |
| 4.CB.05 | 'UM1998-11-O-AuHSb' | Au+2Sb3+O2(OH) |
| 4.CB.05 | Karelianite | V3+2O3 |
| 4.CB.05 | Corundum | Al2O3 |
| 4.CB.05 | Eskolaite | Cr2O3 |
| 4.CB.05 | Geikielite | MgTiO3 |
| 4.CB.05 | Akimotoite | MgSiO3 |
| 4.CB.05 | 'Unnamed (Fe-Cr Oxide)' | FeCrO3 |
| 4.CB.05 | 'Auroantimonate' | AuSbO3 |
| 4.CB.05 | Hemleyite | Fe2+SiO3 |
| 4.CB.05 | Ilmenite | Fe2+TiO3 |
| 4.CB.05 | Pyrophanite | Mn2+TiO3 |
| 4.CB.10 | Bixbyite-(Fe) | (Fe,Mn)2O3 |
| 4.CB.10 | Bixbyite-(Mn) | Mn3+2O3 |
| 4.CB.10 | Avicennite | Tl3+2O3 |
| 4.CB.15 | Armalcolite | MgTi4+2O5 |
| 4.CB.15 | Ferropseudobrookite | Fe2+Ti4+2O5 |
| 4.CB.15 | Griffinite | Al2Ti4+O5 |
| 4.CB.15 | Pseudobrookite Group | |
| 4.CB.15 | Sassite | Ti3+2Ti4+O5 |
| 4.CB.15 | Pseudobrookite | Fe3+2Ti4+O5 |
| 4.CB.20 | Zincovelesite-6N6S | Zn3(Fe3+,Mn3+,Al,Ti)8O15(OH) |
| 4.CB.20 | Magnesiobeltrandoite-2N3S | (Mg6Al2)(Al18Fe3+2)O38(OH)2 |
| 4.CB.20 | Zincohögbomite-2N6S | [(Zn,Mg)7(Al,Fe3+,Ti)16O31(OH)]2 |
| 4.CB.20 | Magnesiohögbomite-6N6S | [(Mg,Fe2+)3(Al,Ti,Fe3+)8O15(OH)]6 |
| 4.CB.20 | Magnesiohögbomite-2N3S | [(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2 |
| 4.CB.20 | Magnesiohögbomite-2N2S | [(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2 |
| 4.CB.20 | 'Ferrohögbomite-6N12S' | [(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6 |
| 4.CB.20 | Zincohögbomite-2N2S | [(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2 |
| 4.CB.25 | Kleberite | FeTi6O11(OH)5 |
| 4.CB.25 | Pseudorutile | Fe3+2Ti4+3O9 |
| 4.CB.30 | Oxyvanite | V3+2V4+O5 |
| 4.CB.30 | Berdesinskiite | V3+2TiO5 |
| 4.CB.30 | Kaitianite | Ti3+2Ti4+O5 |
| 4.CB.35 | Machiite | Al2Ti3O9 |
| 4.CB.35 | Vestaite | (Ti4+Fe2+)Ti4+3O9 |
| 4.CB.35 | Olkhonskite | (Cr,V)2Ti3O9 |
| 4.CB.35 | Schreyerite | V3+2Ti4+3O9 |
| 4.CB.40 | Zincorinmanite-(Zn) | Zn2Sb2(Fe3+4Zn2)O14(OH)2 |
| 4.CB.40 | Majindeite | Mg2Mo3O8 |
| 4.CB.40 | Almagreraite | CuZnMn4+3O8 |
| 4.CB.40 | Kamiokite | Fe2Mo3O8 |
| 4.CB.40 | Nolanite | V3+8Fe3+2O14(OH)2 |
| 4.CB.40 | Iseite | Mn2Mo3O8 |
| 4.CB.40 | Rinmanite | Zn2Sb2Mg2Fe4O14(OH)2 |
| 4.CB.45 | Stibioclaudetite | AsSbO3 |
| 4.CB.45 | Claudetite | As2O3 |
| 4.CB.50 | Senarmontite | Sb2O3 |
| 4.CB.50 | Arsenolite | As2O3 |
| 4.CB.55 | Valentinite | Sb2O3 |
| 4.CB.60 | Bismite | Bi2O3 |
| 4.CB.65 | Sphaerobismoite | Bi2O3 |
| 4.CB.70 | Sillénite | Bi12SiO20 |
| 4.CB.75 | Kyzylkumite | V3+Ti2O5(OH) |
| 4.CB.80 | 'Tietaiyangite' | Fe3+4Fe2+TiO9 |
| 4.CB.85 | Liuite | FeTiO3 |
| 4.CB.90 | Luogufengite | Fe2O3 |
| 4.CB.95 | Wangdaodeite | FeTiO3 |
Fluorescence of Magnesiohögbomite-2N4S
Not fluorescent.
Other Information
Notes:
Does not dissolve in HCl, HNO3, and H2SO4.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Magnesiohögbomite-2N4S
mindat.org URL:
https://www.mindat.org/min-43330.html
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Sør Rondane Mountains, Queen Maud Land, East Antarctica, Antarctica