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Magnesiohögbomite-6N6S

A valid IMA mineral species
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About Magnesiohögbomite-6N6SHide

Formula:
[(Mg,Fe2+)3(Al,Ti,Fe3+)8O15(OH)]6
Crystal System:
Trigonal
Name:
Named as an Mg dominant mineral of the högbomite group and the 6N6S polysome. Renamed from högbomite-24R in 2002.
This page provides mineralogical data about Magnesiohögbomite-6N6S.


Unique IdentifiersHide

Mindat ID:
11447
Long-form identifier:
mindat:1:1:11447:9
GUID
(UUID V4):
952e3d2b-e61c-4686-8a08-61b5b5303a23

IMA Classification of Magnesiohögbomite-6N6SHide

Approved
IMA status notes:
Renamed by the IMA
IMA Formula:
(Mg,Al,Fe)3(Al,Ti)8O15(OH)
First published:
1990
Approval history:
IMA Case 01–A - Renamed from högbomite-24R (Grice and Ferraris 2003).

Classification of Magnesiohögbomite-6N6SHide

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
Mhög-6N6SIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Chemistry of Magnesiohögbomite-6N6SHide

Mindat Formula:
[(Mg,Fe2+)3(Al,Ti,Fe3+)8O15(OH)]6

Crystallography of Magnesiohögbomite-6N6SHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Cell Parameters:
a = 5.7 Å, c = 55.8 Å
Ratio:
a:c = 1 : 9.789
Unit Cell V:
1,570.05 ų (Calculated from Unit Cell)
Z:
6

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-𝑇 alteration and/or metamorphism
31 : Thermally altered carbonate, phosphate, and iron formations

Type Occurrence of Magnesiohögbomite-6N6SHide

Place of Conservation of Type Material:
No designated type specimen.

Synonyms of Magnesiohögbomite-6N6SHide

Related Minerals - Strunz-mindat GroupingHide

4.CB.Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2Hex. 6mm : P63mc
4.CB.Magnesiohögbomite-6N12SMg5Al11TiO23(OH)Trig. 3m (3 2/m) : R3m
4.CB.Zhenruite(MoO3)2 · H2OMon. 2/m : P21/m
4.CB.Pengite(Pb8Sb3+3)Σ11Sb5+9O35Trig. 3m (3 2/m) : R3m
4.CB.VirgilluethiteMoO3 · H2OMon. 2/m : P21/b
4.CB.05BrizziiteNaSb5+O3Trig. 3 : R3
4.CB.05CorundumAl2O3Trig. 3m (3 2/m) : R3c
4.CB.05Ecandrewsite(Zn,Fe2+,Mn2+)TiO3Trig. 3 : R3
4.CB.05EskolaiteCr2O3Trig. 3m (3 2/m) : R3c
4.CB.05GeikieliteMgTiO3Trig. 3 : R3
4.CB.05HematiteFe2O3Trig. 3m (3 2/m) : R3c
4.CB.05IlmeniteFe2+TiO3Trig. 3 : R3
4.CB.05KarelianiteV3+2O3Trig. 3m (3 2/m) : R3c
4.CB.05MelanostibiteMn2+2Fe3+Sb5+O6Trig. 3 : R3
4.CB.05PyrophaniteMn2+TiO3Trig. 3 : R3
4.CB.05Akimotoite(Mg,Fe2+)SiO3Trig. 3 : R3
4.CB.05AuroantimonateAuSbO3
4.CB.05UM1998-11-O-AuHSbAu+2Sb3+O2(OH)
4.CB.05TistariteTi3+2O3Trig. 3m (3 2/m) : R3c
4.CB.05Unnamed (Fe-Cr Oxide)FeCrO3Trig. 3 : R3
4.CB.05Hemleyite(Fe2+0.48Mg0.37Ca0.04Na0.04Mn2+0.03Al0.03Cr3+0.01)sum=1.00Si1.00O3Trig. 3 : R3
4.CB.10AvicenniteTl2O3Iso. m3 (2/m 3) : Ia3
4.CB.10Bixbyite-(Mn)Mn3+2O3Iso. m3 (2/m 3) : Ia3
4.CB.10Bixbyite-(Fe)(Fe,Mn)2O3Iso.
4.CB.15Armalcolite(Mg,Fe2+)Ti2O5Orth. mmm (2/m 2/m 2/m)
4.CB.15SassiteTi3+2Ti4+O5Orth. mmm (2/m 2/m 2/m) : Cmcm
4.CB.15PseudobrookiteFe2TiO5Orth. mmm (2/m 2/m 2/m)
4.CB.15FerropseudobrookiteFe2+Ti2O5Orth. mmm (2/m 2/m 2/m) : Cmcm
4.CB.15GriffiniteAl2TiO5Orth. mmm (2/m 2/m 2/m) : Cmcm
4.CB.15Pseudobrookite Group
4.CB.20Zincohögbomite-2N2S[(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2Hex. 6mm : P63mc
4.CB.20Zincohögbomite-2N6S[(Zn,Mg)7(Al,Fe3+,Ti)16O31(OH)]2Hex. 6mm : P63mc
4.CB.20Magnesiohögbomite-2N3S[(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2Trig. 3m (3 2/m) : P3 1m
4.CB.20Magnesiohögbomite-2N2S[(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2Hex. 6mm : P63mc
4.CB.20Ferrohögbomite-6N12S[(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6Trig. 3m (3 2/m) : R3m
4.CB.20Magnesiohögbomite-2N4S(Mg8.43Fe2+1.57)sum=10Al22Ti4+2O46(OH)2Hex. 6mm : P63mc
4.CB.20Magnesiobeltrandoite-2N3S(Mg6Al2)(Al18Fe3+2)O38(OH)2 Trig. 3m : P3m1
4.CB.20Zincovelesite-6N6SZn3(Fe3+,Mn3+,Al,Ti)8O15(OH)Trig. 3m (3 2/m) : P3m1
4.CB.25PseudorutileFe2Ti3O9Hex. 6 2 2 : P63 2 2
4.CB.25KleberiteFeTi6O11(OH)5Mon. 2/m : P21/b
4.CB.30BerdesinskiiteV3+2TiO5Mon.
4.CB.30OxyvaniteV3+2V4+O5Mon. 2/m : B2/b
4.CB.30KaitianiteTi3+2Ti4+O5Mon. 2/m : B2/b
4.CB.35Olkhonskite(Cr,V)2Ti3O9Mon.
4.CB.35SchreyeriteV3+2Ti3O9Mon. 2/m : B2/b
4.CB.35MachiiteAl2Ti3O9Mon. 2/m : B2/b
4.CB.35Vestaite(Ti4+Fe2+)Ti4+3O9Mon. 2/m : B2/b
4.CB.40KamiokiteFe2Mo3O8Hex. 6mm : P63mc
4.CB.40NolaniteV3+8Fe3+2O14(OH)2Hex. 6mm : P63mc
4.CB.40RinmaniteZn2Sb2Mg2Fe4O14(OH)2Hex. 6 : P63
4.CB.40IseiteMn2Mo3O8Hex. 6mm : P63mc
4.CB.40MajindeiteMg2Mo3O8Hex. 6mm : P63mc
4.CB.45ClaudetiteAs2O3Mon. 2/m
4.CB.45StibioclaudetiteAsSbO3Mon. 2/m : P21/m
4.CB.50ArsenoliteAs2O3Iso. m3m (4/m 3 2/m) : Fd3m
4.CB.50SenarmontiteSb2O3Iso. m3m (4/m 3 2/m) : Fd3m
4.CB.55ValentiniteSb2O3Orth. mmm (2/m 2/m 2/m) : Pccn
4.CB.60BismiteBi2O3Mon. 2/m : P21/b
4.CB.65SphaerobismoiteBi2O3Tet.
4.CB.70SilléniteBi12SiO20Iso. 2 3 : I2 3
4.CB.75KyzylkumiteV3+Ti2O5(OH)Mon. 2/m : P21/b
4.CB.80TietaiyangiteFe3+4Fe2+TiO9Hex.
4.CB.85LiuiteFeTiO3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CB.90LuogufengiteFe2O3Orth. mm2 : Pna21
4.CB.95WangdaodeiteFeTiO3Trig. 3m : R3c

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.

Internet Links for Magnesiohögbomite-6N6SHide

References for Magnesiohögbomite-6N6SHide

Localities for Magnesiohögbomite-6N6SHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Tanzania (TL)
 
  • Njombe Region
    • Ludewa District
      • Lake Malawi
Hejny et al. (2002)
USA
 
  • New York
    • Westchester County
      • Cortlandt Township
        • Montrose
Bernard et al. (2004)
  • Virginia
    • Pittsylvania County
Bernard et al. (2004)
 
Mineral and/or Locality  
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