Ferronigerite-6N6S
A valid IMA mineral species - grandfathered
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About Ferronigerite-6N6S
Flag of Nigeria
Formula:
(Al,Fe,Zn)3(Al,Sn,Fe)8O15(OH)
Colour:
Brown, black
Lustre:
Adamantine
Crystal System:
Trigonal
Member of:
Name:
Named as an Fe-dominant mineral of the nigerite group and the 6N6S polysome. The root name is for Nigeria. The earlier name nigerite-24R has also been used in the literature.
This page provides mineralogical data about Ferronigerite-6N6S.
Unique Identifiers
Mindat ID:
11451
Long-form identifier:
mindat:1:1:11451:2
Similar Names
| Ferronigerite-2N1S | A valid IMA mineral species - grandfathered | (Al,Fe,Zn)2(Al,Sn)6O11(OH) |
IMA Classification of Ferronigerite-6N6S
Approved, 'Grandfathered' (first described prior to 1959)
IMA status notes:
Renamed by the IMA
First published:
1977
Approval history:
IMA Case 01–A - Renamed from nigerite-24R.
Classification of Ferronigerite-6N6S
4.FC.20
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
C : Hydroxides with OH, without H2O; corner-sharing octahedra
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
C : Hydroxides with OH, without H2O; corner-sharing octahedra
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 |
|---|---|---|
| Fng-6N6S | 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 Ferronigerite-6N6S
Adamantine
Colour:
Brown, black
Chemistry of Ferronigerite-6N6S
Mindat Formula:
(Al,Fe,Zn)3(Al,Sn,Fe)8O15(OH)
Crystallography of Ferronigerite-6N6S
Crystal System:
Trigonal
Class (H-M):
3m(32/m) - Hexagonal Scalenohedral
Space Group:
R3m
Cell Parameters:
a = 5.73 Å, c = 55.6 Å
Ratio:
a:c = 1 : 9.703
Unit Cell V:
1,580.94 ų (Calculated from Unit Cell)
Z:
6
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0007037 | Ferronigerite-6N6S | Armbruster T, Feenstra A (2004) Lithium in nigerite-group minerals European Journal of Mineralogy 16 247-254 | 2004 | abandoned tin mine Tsomtaub, between Omaruru and Uis, Namibia | 0 | 293 | |
| 0007036 | Ferronigerite-6N6S | Armbruster T, Feenstra A (2004) Lithium in nigerite-group minerals European Journal of Mineralogy 16 247-254 | 2004 | Egbe District, Kabba Province, Nigeria | 0 | 293 | |
| 0000754 | Ferronigerite-6N6S | Grey I E, Gatehouse B M (1979) The crystal structure of nigerite-24R American Mineralogist 64 1255-1264 |  | 1979 | Mt Garnet, northern Queensland, Australia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| - Å | () |
Comments:
No published X-ray powder diffraction data.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 4a: Earth’s earliest continental crust | >4.4-3.0 |
| 19 : Granitic intrusive rocks | |
| High-? alteration and/or metamorphism | |
| 31 : Thermally altered carbonate, phosphate, and iron formations |
Type Occurrence of Ferronigerite-6N6S
General Appearance of Type Material:
Small subhedral to euhedral hexagonal platy crystals with a maximum diameter of 1.5 mm.
Place of Conservation of Type Material:
No defined type specimen.
Geological Setting of Type Material:
In pegmatite and in associated aplitic veins. Formed under conditions of oversaturation of Al by desilicification of the pegmatite system. Replacement and oriented overgrowths of spinel.
Associated Minerals at Type Locality:
Synonyms of Ferronigerite-6N6S
Ferronigerite (in part)
Other Language Names for Ferronigerite-6N6S
Dutch:Ferronigeriet-6N6S
German:Ferronigerit-6N6S
Relationship of Ferronigerite-6N6S to other Species
Member of:
Other Members of Ferronigerite subgroup:
| Ferronigerite-2N1S | (Al,Fe,Zn)2(Al,Sn)6O11(OH) | Trig. 3m(32/m) : P3m1 |
Related Minerals - Strunz-mindat Grouping
| 4.FC.05 | Dzhalindite | In(OH)3 |
| 4.FC.05 | Bernalite | Fe(OH)3 · nH2O (n = 0.0 to 0.25) |
| 4.FC.05 | Söhngeite | Ga(OH)3 |
| 4.FC.10 | Mushistonite | (Cu,Zn,Fe2+)[Sn(OH)6] |
| 4.FC.10 | Natanite | Fe2+[Sn(OH)6] |
| 4.FC.10 | Burtite | Ca[Sn(OH)6] |
| 4.FC.10 | Vismirnovite | Zn[Sn(OH)6] |
| 4.FC.10 | Wickmanite | Mn2+[Sn(OH)6] |
| 4.FC.10 | Schoenfliesite | Mg[Sn(OH)6] |
| 4.FC.15 | Jeanbandyite | Fe3+Sn(OH)5O |
| 4.FC.15 | Tetrawickmanite | Mn2+[Sn4+(OH)6] |
| 4.FC.15 | Nancyrossite | FeGeO6H5 |
| 4.FC.15 | Zincostottite | ZnGe(OH)6 |
| 4.FC.15 | Stottite | Fe2+[Ge4+(OH)6] |
| 4.FC.15 | Mopungite | Na[Sb5+(OH)6] |
| 4.FC.20 | Ferronigerite-2N1S | (Al,Fe,Zn)2(Al,Sn)6O11(OH) |
| 4.FC.20 | Magnesionigerite-6N6S | (Mg,Al,Zn)3(Al,Sn,Fe)8O15(OH) |
| 4.FC.20 | Magnesionigerite-2N1S | (Mg,Al,Zn)2(Al,Sn)6O11(OH) |
| 4.FC.20 | Zinconigerite-2N1S | (Zn,Al,Mg)2(Al,Sn)6O11(OH) |
| 4.FC.20 | Zinconigerite-6N6S | Zn3Sn2Al16O30(OH)2 |
| 4.FC.25 | Magnesiotaaffeite-6N’3S | Mg2BeAl6O12 |
| 4.FC.25 | Magnesiotaaffeite-2N’2S | Mg3Al8BeO16 |
| 4.FC.25 | Ferrotaaffeite-2N’2S | Be(Fe,Mg,Zn)3Al8O16 |
Other Information
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 Ferronigerite-6N6S
mindat.org URL:
https://www.mindat.org/min-11451.html
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References for Ferronigerite-6N6S
Reference List:
Grey, Ian E., Gatehouse, Bryan M. (1979) The crystal structure of nigerite-24R. American Mineralogist, 64 (11-12) 1255-1264
Armbruster, Thomas (2002) Revised nomenclature of högbomite, nigerite, and taaffeite minerals. European Journal of Mineralogy, 14 (2) 389-395 doi:10.1127/0935-1221/2002/0014-0389
Grice, J. D.; Ferraris, G. (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association. The Canadian Mineralogist, 41 (3). 795-802 doi:10.2113/gscanmin.41.3.795
Novák, Milan, Vieira, Romeu, Lima, Alexandre, Škoda, Radek, Martins, Tania, dos Anjos Ribeiro, Maria (2009) Ferronigerite with dominant substitution TiSn−1 in muscovite+chlorite aggregate from massive quartz nodule associated with a petalite-rich aplite-pegmatite of the Barroso-Alvão pegmatite field, Northern Portugal. Neues Jahrbuch für Mineralogie - Abhandlungen, 186 (1) 67-78 doi:10.1127/0077-7757/2009/0132
Localities for Ferronigerite-6N6S
Showing 4 localities.
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Australia | |
| Grey et al. (1979) |
Finland | |
| Mattila |
| Armbruster (2002) |
Portugal | |
| Novák et al. (2009) |
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Rakokivenmäki pegmatite, Heinola, Päijänne Tavastia, Finland