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Söhngeite

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Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
© Brent Thorne

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Formula:
Ga(OH)
 
3
Colour:Brown
Name:Named after G. Söhnge, chief geologist, Tsumeb corporation, Tsumeb (Namibia).
This page provides mineralogical data about Söhngeite.

Classification of Söhngeite

IMA status:Approved 1965
Strunz 8th edition ID:4/F.15-10
Nickel-Strunz 10th (pending) edition ID:4.FC.05

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
Dana 8th edition ID:6.3.5.2

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
Hey's CIM Ref.:7.7.1

7 : Oxides and Hydroxides
7 : Oxides of Group III metals other than Al
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Type Occurrence of Söhngeite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Year of Discovery:1965

Physical Properties of Söhngeite

Colour:Brown

Chemical Properties of Söhngeite

Formula:
Ga(OH)
 
3
Essential elements:Ga, H, O
All elements listed in formula:Ga, H, O

Relationship of Söhngeite 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.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.20Ferronigerite-6N6S
Sn(Fe,Mg)
 
2
Al
 
8
O
 
15
(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
Related Minerals - Hey's Index Grouping:

- +
7.7.2Cerianite-(Ce)
(Ce
4+
 
,Th)O
 
2
7.7.3Avicennite
Tl
 
2
O
 
3
7.7.4Dzhalindite
In(OH)
 
3

Other Names for Söhngeite

Synonyms:
IMA1965-022
Other Languages:
German:Sohngeit
Spanish:Sohngeita

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 Söhngeite

Reference List:Naturwissenschaften (1965): 52: 493.

American Mineralogist (1966): 51: 1815.

Articles/Blogs about Söhngeite

Internet Links for Söhngeite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Söhngeite in the Natural History Museum (London) online catalogue
  • Söhngeite details from Handbook of Mineralogy (PDF)
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    Localities for Söhngeite

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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.
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		Am Min 51 (1966), 1815
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