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Magnesiohögbomite-6N6S

Formula:
(Mg,Al,Fe)
 
2
(Al,Ti)
 
8
O
 
15
(OH)
System:Trigonal
Name:named as an Mg dominant mineral of the Högbomite group and the 6N6S polysome
This page provides mineralogical data about Magnesiohögbomite-6N6S.

Classification of Magnesiohögbomite-6N6S

IMA status:Approved
Strunz 8th edition ID:4/C.07-
Nickel-Strunz 10th (pending) edition ID: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
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Type Occurrence of Magnesiohögbomite-6N6S

Type Locality:Liganga, Lake Malawi, Ludewa District, Iringa Region, Tanzania

Crystallography of Magnesiohögbomite-6N6S

Crystal System:Trigonal
Class (H-M):3m (3 2/m) - Hexagonal Scalenohedral
Space Group:R3m {R3 2/m}
Cell Parameters:a = 5.7Å, c = 55.8Å
Ratio:a:c = 1 : 9.789
Unit Cell Volume:V 1,570.05 ų (Calculated from Unit Cell)
Z:6

Chemical Properties of Magnesiohögbomite-6N6S

Formula:
(Mg,Al,Fe)
 
2
(Al,Ti)
 
8
O
 
15
(OH)
Essential elements:Al, H, Mg, O
All elements listed in formula:Al, Fe, H, Mg, O, Ti

Relationship of Magnesiohögbomite-6N6S to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.CB.05Brizziite
NaSb
5+
 
O
 
3
4.CB.05Corundum
Al
 
2
O
 
3
4.CB.05Ecandrewsite
(Zn,Fe
2+
 
,Mn
2+
 
)TiO
 
3
4.CB.05Eskolaite
Cr
 
2
O
 
3
4.CB.05Geikielite
MgTiO
 
3
4.CB.05Hematite
Fe
 
2
O
 
3
4.CB.05Ilmenite
Fe
2+
 
TiO
 
3
4.CB.05Karelianite
V
 
2
O
 
3
4.CB.05Melanostibite
Mn
2+
 
(Sb
5+
 
,Fe
3+
 
)O
 
3
4.CB.05Pyrophanite
Mn
2+
 
TiO
 
3
4.CB.05Akimotoite
(Mg,Fe
2+
 
)SiO
 
3
4.CB.05Auroantimonate
AuSbO
 
3
4.CB.05Romanite
([],Pb,Ca)UFe
2+
2
(Ti,Fe
3+
 
)
 
6
Ti
 
12
O
 
38
4.CB.05UM1998-11-O-AuHSb
Au
 
2
SbO
 
2
(OH)
4.CB.05Tistarite
Ti
 
2
O
 
3
4.CB.10Avicennite
Tl
 
2
O
 
3
4.CB.10Bixbyite
(Mn
3+
 
,Fe
3+
 
)
 
2
O
 
3
4.CB.15Armalcolite
(Mg,Fe
2+
 
)Ti
 
2
O
 
5
4.CB.15Pseudobrookite
Fe
 
2
TiO
 
5
4.CB.15Mongshanite
(Mg,Cr,Fe
2+
 
)
 
2
(Ti,Zr)
 
5
O
 
12
4.CB.20Zincohögbomite-2N2S
(Zn,Al,Fe)
 
2
(Al,Fe,Ti)
 
8
O
 
15
(OH)
4.CB.20Zincohögbomite-2N6S
(Zn,Al)
 
7
(Al,Fe,Ti,Mg)
 
16
O
 
31
(OH)
4.CB.20Magnesiohögbomite-2N3S
(Mg,Fe,Zn,Ti)
 
3
(Al,Fe)
 
10
O
 
19
(OH)
4.CB.20Magnesiohögbomite-2N2S
(Mg,Al,Fe)
 
2
(Al,Fe,Ti)
 
8
O
 
15
(OH)
4.CB.20Ferrohögbomite-6N12S
(Fe,Mg,Zn)
 
4
(Al,Ti,Fe)
 
12
O
 
23
(OH)
4.CB.25Pseudorutile
Fe
 
2
Ti
 
3
O
 
9
4.CB.30Berdesinskiite
V
3+
2
TiO
 
5
4.CB.30Oxyvanite
V
 
3
O
 
5
4.CB.35Olkhonskite
(Cr,V)
 
2
Ti
 
3
O
 
9
4.CB.35Schreyerite
V
 
2
Ti
 
3
O
 
9
4.CB.40Kamiokite
Fe
 
2
Mo
 
3
O
 
8
4.CB.40Nolanite
(V,Fe,Fe,Ti)
 
10
O
 
14
(OH)
 
2
4.CB.40Rinmanite
Zn
 
2
Sb
 
2
Mg
 
2
Fe
 
4
O
 
14
(OH)
 
2
4.CB.45Claudetite
As
 
2
O
 
3
4.CB.45Stibioclaudetite
AsSbO
 
3
4.CB.50Arsenolite
As
 
2
O
 
3
4.CB.50Sénarmontite
Sb
 
2
O
 
3
4.CB.55Valentinite
Sb
 
2
O
 
3
4.CB.60Bismite
Bi
 
2
O
 
3
4.CB.65Sphaerobismoite
Bi
 
2
O
 
3
4.CB.70Sillénite
Bi
 
12
SiO
 
20
4.CB.75Kyzylkumite
V
 
2
Ti
 
3
O
 
9
4.CB.80Tietaiyangite
Fe
3+
4
Fe
2+
 
TiO
 
9

Other Names for Magnesiohögbomite-6N6S

Synonyms:
Högbomite-24R
Other Languages:

Other Information

Health Warning: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-6N6S

Reference List:Armbruster, T. (2002), Revised nomenclature of högbomite, nigerite, and taaffeite minerals.- European Journal of Mineralogy: 14: 389-395.

Neues Jahrbuch für Mineralogie, Monatshefte (1990): 401-412.

American Mineralogist, Volume 87, pages 277–292, 2002

Internet Links for Magnesiohögbomite-6N6S

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    Localities for Magnesiohögbomite-6N6S

    Hide Locality List
    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Tanzania
     
    • Iringa Region
      • Ludewa District
        • Lake Malawi
    		American Mineralogist, Volume 87, pages 277–292, 2002
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 14th Nov 2009 17:41:31