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Ferrohögbomite-2N2S

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Big Photo

Myan Gyi (Myaing-Gyi) mine, Thurein Taung, Mogok, Sagaing District, Mandalay Division, Burma (Myanmar)
© Pavel M. Kartashov




Formula:
[(Fe
2+
 
,Mg,Zn,Al)
 
3
(Al,Ti,Fe
3+
 
)
 
8
O
 
15
(OH)]
 
2
System:HexagonalColour:reddish brown to ...
Lustre:AdamantineHardness:6 - 7
Name:chemistry and relation to högbomite


Högbomite Group.

Classification of Ferrohögbomite-2N2S

IMA status:Approved 2001
Strunz 8th edition ID:4/C.07-

4 : Oxides & Hydroxides
C : Oxides with metal : oxygen = 2:3 (M2O3 and related compounds)
07 : Högbomite - Mengxianminite series
Strunz 9th edition ID:4.CB.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: 0xygen = 2: 3,3: 5, and similar
B : With medium-sized cations
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Type Occurrence of Ferrohögbomite-2N2S

Type Locality:Ain Taiba, Algiers Province, Algeria

Physical Properties of Ferrohögbomite-2N2S

Lustre:Adamantine
Diaphaneity (Transparency):Translucent
Colour:reddish brown to brownish black
Streak:light brown to brown
Hardness (Mohs):6 - 7
Hardness Data:Measured

Crystallography of Ferrohögbomite-2N2S

Crystal System:Hexagonal
Class (H-M):6mm - Dihexagonal Pyramidal
Space Group:P63mc
Cell Parameters:a = 5.712Å, c = 18.317Å
Ratio:a:c = 1 : 3.207
Unit Cell Volume:V 517.56 ų (Calculated from Unit Cell)
Z:2

Optical Data of Ferrohögbomite-2N2S

Type:Uniaxial (-)
RI values: nω = 1.850 nε = 1.830
Maximum Birefringence:δ = 0.020

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High

Chemical Properties of Ferrohögbomite-2N2S

Formula:
[(Fe
2+
 
,Mg,Zn,Al)
 
3
(Al,Ti,Fe
3+
 
)
 
8
O
 
15
(OH)]
 
2
Essential elements:Al, Fe, H, O
All elements listed in formula:Al, Fe, H, Mg, O, Ti, Zn

Relationship of Ferrohögbomite-2N2S to other Species

Structurally related to group(s):
Högbomite Group
Related Minerals - Strunz Grouping):

- +
4/C.07-Ferronigerite-2N1S
Sn(Fe,Mg)Al
 
6
O
 
11
(OH)
4/C.07-Zincohögbomite-2N2S
[(Zn,Al,Fe
2+
 
)
 
3
(Al,Fe
3+
 
,Ti)
 
8
O
 
15
(OH)]
 
2
4/C.07-Zincohögbomite-2N6S
[(Zn,Mg)
 
7
(Al,Fe
3+
 
,Ti)
 
16
O
 
31
(OH)]
 
2
4/C.07-Magnesionigerite-6N6S
Sn(Mg,Fe)
 
2
Al
 
8
O
 
15
(OH)
4/C.07-Magnesionigerite-2N1S
Sn(Mg,Fe)Al
 
6
O
 
11
(OH)
4/C.07-Magnesiohögbomite-6N6S
[(Mg,Fe
2+
 
)
 
3
(Al,Ti,Fe
3+
 
)
 
8
O
 
15
(OH)]
 
6
4/C.07-Magnesiohögbomite-2N3S
[(Mg,Fe
2+
 
,Zn)
 
4
(Al,Ti,Fe
3+
 
)
 
10
O
 
19
(OH)]
 
2
4/C.07-Magnesiohögbomite-2N2S
[(Mg,Fe
2+
 
)
 
3
[Al
 
7
(Ti,Fe
3+
 
)]O
 
15
(OH)]
 
2
4/C.07-Ferronigerite-6N6S
Sn(Fe,Mg)
 
2
Al
 
8
O
 
15
(OH)
4/C.07-Ferrohögbomite-6N12S
[(Fe
2+
 
,Mg,Zn)
 
5
(Al,Ti,Fe
3+
 
)
 
12
O
 
23
(OH)]
 
6
4/C.07-20Freudenbergite
Na
 
2
(Ti,Fe)
 
8
O
 
16
4/C.07-30Kamiokite
Fe
 
2
Mo
 
3
O
 
8
4/C.07-40Nolanite
(V
3+
 
,Fe
3+
 
,Fe
2+
 
,Ti)
 
10
O
 
14
(OH)
 
2
4/C.07-42Rinmanite
Zn
 
2
Sb
 
2
Mg
 
2
Fe
 
4
O
 
14
(OH)
 
2
4/C.07-60Mengxianminite
(Ca,Na)
 
3
(Fe,Mn)
 
2
Mg
 
2
(Sn,Zn)
 
5
Al
 
8
O
 
29

Other Names for Ferrohögbomite-2N2S

Synonyms:
Högbomite-8HIMA2001-048
Other Languages:
Russian:Феррохегбомит-2N2S

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 Ferrohögbomite-2N2S

Reference List:

- +
Hejny, C., E. Gnos, B. Grobety & T. Armbruster (2002): Crystal chemistry of the polysome ferrohögbomite-2N2S, a long-known but newly defined mineral species.: European Journal of Mineralogy: 14, 957-967.

Internet Links for Ferrohögbomite-2N2S

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    • Localities for Ferrohögbomite-2N2S

    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.
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    (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.
    Algeria
     
    • Algiers Province
    		C. Hejny et al. (2002) Eur. J. Mineral. 14, 957-967
    Antarctica
     
    • Eastern Antarctica
      • Victoria Land
    		C. Hejny et al. (2002) Eur. J. Mineral. 14, 957-967
    Australia
     
    • Northern Territory
      • Strangways Range
    		C. Hejny et al. (2002) Eur. J. Mineral. 14, 957-967
    Burma (Myanmar)
     
    • Mandalay Division
      • Sagaing District
        • Mogok
          • Thurein Taung
    		Pavel M. Kartashov analytical data, Sieghard Ellenberger specimens
    USA
     
    • New York
      • St. Lawrence Co.
        • Star Lake
          • Benson
    		C. Hejny et al. (2002) Eur. J. Mineral. 14, 957-967; Contributions to Mineralogy and Petrology Volume 101, Number 3 / March, 1989 Pages 350-360
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