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Ferronigerite-6N6S

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Rosendal tantalum deposit, Rosendal pegmatite, Kemiö Island, Etelä-Suomen Lääni, Finland
© Thomas Witzke

Show Ferronigerite-6N6S Photos (3)
Formula:
Sn(Fe,Mg)
 
2
Al
 
8
O
 
15
(OH)
System:TrigonalColour:brown, black
Name:Named as an Fe-dominant mineral of the Nigerite group and the 6N6S polysome.
This page provides mineralogical data about Ferronigerite-6N6S.

Classification of Ferronigerite-6N6S

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

Type Locality:Rosendal tantalum deposit, Rosendal pegmatite, Kemiö Island, Etelä-Suomen Lääni, Finland

Physical Properties of Ferronigerite-6N6S

Lustre:Adamantine
Colour:brown, black

Crystallography of Ferronigerite-6N6S

Crystal System:Trigonal
Class (H-M):3m (3 2/m) - Hexagonal Scalenohedral
Space Group:R3m (R3 2/m)
Cell Parameters:a = 5.73Å, c = 55.6Å
Ratio:a:c = 1 : 9.703
Unit Cell Volume:V 1,580.94 ų (Calculated from Unit Cell)
Z:6

Chemical Properties of Ferronigerite-6N6S

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

Relationship of Ferronigerite-6N6S to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.FC.05Bernalite
Fe(OH)
 
3
 · nH
 
2
O (n = 0.0 to 0.25)
4.FC.05Dzhalindite
In(OH)
 
3
4.FC.05Söhngeite
Ga(OH)
 
3
4.FC.10Burtite
Ca[Sn(OH)
 
6
]
4.FC.10Mushistonite
(Cu,Zn,Fe
2+
 
)[Sn(OH)
 
6
]
4.FC.10Natanite
Fe
2+
 
[Sn(OH)
 
6
]
4.FC.10Schoenfliesite
Mg[Sn(OH)
 
6
]
4.FC.10Vismirnovite
Zn[Sn(OH)
 
6
]
4.FC.10Wickmanite
Mn
2+
 
[Sn(OH)
 
6
]
4.FC.15Jeanbandyite
(Fe
2+
 
,Mn
2+
 
)[Sn
4+
 
(OH)
 
6
]
4.FC.15Mopungite
Na[Sb
5+
 
(OH)
 
6
]
4.FC.15Stottite
Fe
2+
 
[Ge
4+
 
(OH)
 
6
]
4.FC.15Tetrawickmanite
Mn
2+
 
[Sn
4+
 
(OH)
 
6
]
4.FC.20Ferronigerite-2N1S
Sn(Fe,Mg)Al
 
6
O
 
11
(OH)
4.FC.20Magnesionigerite-6N6S
Sn(Mg,Fe)
 
2
Al
 
8
O
 
15
(OH)
4.FC.20Magnesionigerite-2N1S
Sn(Mg,Fe)Al
 
6
O
 
11
(OH)
4.FC.20Zinconigerite-2N1S
Sn(Zn,Fe,Mg)Al
 
6
O
 
11
(OH)
4.FC.20Zinconigerite-6N6S
4.FC.25Magnesiotaaffeite-6N’3S
(Mg,Fe,Zn)
 
2
Al
 
6
BeO
 
12
4.FC.25Magnesiotaaffeite-2N’2S
Mg
 
3
Al
 
8
BeO
 
16

Other Names for Ferronigerite-6N6S

Synonyms:
Nigerite-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 Ferronigerite-6N6S

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

Articles/Blogs about Ferronigerite-6N6S

Internet Links for Ferronigerite-6N6S

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    Localities for Ferronigerite-6N6S

    (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.
    Finland
     
    • Etelä-Suomen Lääni
      • Kemiö Island
        • Rosendal pegmatite
    		T. Armbruster (2002) Revised nomenclature of högbomite, nigerite, and taaffeite minerals.- Eur. Journ. Mineralogy 14, 389-395
    Mineral and/or Locality
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