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Tetrawickmanite

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Formula:
Mn2+Sn4+(OH)6
System:
Tetragonal
Colour:
Honey-yellow, ...
Lustre:
Waxy
Hardness:
3½ - 4½
Name:
Named as the tetragonal dimorph of wickmanite.
Dimorph of:
Stottite Group.


Classification of Tetrawickmanite

Approved
Approval Year:
1971
4.FC.15

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
6.3.7.2

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
7.11.8

7 : Oxides and Hydroxides
11 : Oxides of Sn and Pb

Physical Properties of Tetrawickmanite

Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Honey-yellow, brown-orange
Hardness (Mohs):
3½ - 4½

Optical Data of Tetrawickmanite

Type:
Uniaxial (-)
RI values:
nω = 1.724 nε = 1.720
Max Birefringence:
δ = 0.004
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
High

Chemical Properties of Tetrawickmanite

IMA Formula:
Mn2+Sn4+(OH)6
Elements listed in formula:

Crystallography of Tetrawickmanite

Crystal System:
Tetragonal
Class (H-M):
4/m - Dipyramidal
Space Group:
P42/n
Cell Parameters:
a = 7.8655(4) Å, c = 7.7938(6) Å
Ratio:
a:c = 1 : 0.991
Unit Cell Volume:
V 482.17 ų
Z:
4

Type Occurrence of Tetrawickmanite

Relationship of Tetrawickmanite to other Species

Other Members of Group:
MopungiteNa[Sb5+(OH)6]
StottiteFe2+[Ge4+(OH)6]
4.FC.05BernaliteFe(OH)3
4.FC.05DzhalinditeIn(OH)3
4.FC.05SöhngeiteGa(OH)3
4.FC.10BurtiteCaSn4+(OH)6
4.FC.10MushistoniteCu2+Sn4+(OH)6
4.FC.10NataniteFe2+Sn4+(OH)6
4.FC.10SchoenfliesiteMgSn(OH)6
4.FC.10VismirnoviteZnSn(OH)6
4.FC.10WickmaniteMn2+Sn4+(OH)6
4.FC.15Jeanbandyite(Fe3+,Mn2+)Sn4+(OH,O)6
4.FC.15MopungiteNaSb5+(OH)6
4.FC.15StottiteFe2+Ge4+(OH)6
4.FC.20Ferronigerite-2N1S(Al,Fe,Zn)2(Al,Sn)6O11(OH)
4.FC.20Magnesionigerite-6N6S(Mg,Al,Zn)3(Al,Sn,Fe)8O15(OH)
4.FC.20Magnesionigerite-2N1S(Mg,Al,Zn)2(Al,Sn)6O11(OH)
4.FC.20Ferronigerite-6N6S(Al,Fe,Zn)3(Al,Sn,Fe)8O15(OH)
4.FC.20Zinconigerite-2N1S(Zn,Al,Mg)2(Al,Sn)6O11(OH)
4.FC.20Zinconigerite-6N6S(Zn,Mg,Al)3(Al,Sn,Fe)8O15(OH)
4.FC.25Magnesiotaaffeite-6N’3SMg2BeAl6O12
4.FC.25Magnesiotaaffeite-2N’2SMg3BeAl8O16
7.11.1RomarchiteSnO
7.11.2CassiteriteSnO2
7.11.4SchoenfliesiteMgSn(OH)6
7.11.5BurtiteCaSn4+(OH)6
7.11.6VismirnoviteZnSn(OH)6
7.11.7WickmaniteMn2+Sn4+(OH)6
7.11.9Jeanbandyite(Fe3+,Mn2+)Sn4+(OH,O)6
7.11.10NataniteFe2+Sn4+(OH)6
7.11.11MushistoniteCu2+Sn4+(OH)6
7.11.12Ferronigerite-2N1S(Al,Fe,Zn)2(Al,Sn)6O11(OH)
7.11.13Magnesionigerite
7.11.14ArgutiteGeO2
7.11.15BrunogeieriteFe22+Ge4+O4
7.11.16StottiteFe2+Ge4+(OH)6
7.11.17CarboiriteFe2+Al2GeO5(OH)2
7.11.18OtjisumeitePbGe4O9
7.11.19BartelkeitePbFeGe(Ge2O7)(OH)2 · H2O
7.11.20MassicotPbO
7.11.21LithargePbO
7.11.22MiniumPb22+Pb4+O4
7.11.23PlattneritePbO2
7.11.24ScrutinyitePbO2
7.11.25MurdochiteCu12Pb2O15Cl2
7.11.26MacedonitePbTiO3
7.11.27CesàrolitePbMn34+O6(OH)2
7.11.28CoronaditePb(Mn64+Mn23+)O16
7.11.29QuenselitePbMn3+O2(OH)
7.11.30PlumboferritePb2(Fe3+,Mn2+,Mg)11O19
7.11.31MagnetoplumbitePbFe123+O19
7.11.32SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38

Other Names for Tetrawickmanite

Name in Other Languages:

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.

References for Tetrawickmanite

Reference List:
White, J. S., Jr. & Nelen, J. A. (1973): Tetrawickmanite, tetragonal manganese tin hexahydroxide, a new mineral from North Carolina, and the stottite group. Mineralogical Record, 4, 24-30.

American Mineralogist (1973): 58: 966-967.

B. Lafuente, H. Yang and R. T. Downs (2015): Crystal structure of tetra­wickmanite, Mn2+Sn4+(OH)6. Acta Crystallographica E71, 234-237.

Internet Links for Tetrawickmanite

mindat.org URL:
https://www.mindat.org/min-3928.html
Please feel free to link to this page.
Specimens:
The following Tetrawickmanite specimens are currently listed for sale on minfind.com.

Localities for Tetrawickmanite

This 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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Australia
 
  • Tasmania
    • Waratah-Wynyard municipality
      • Heazlewood district
        • Luina
Evan Sorrell collection
Norway
 
  • Telemark
    • Porsgrunn
      • Mørje
        • Sagåsen
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
  • Vestfold
    • Larvik
      • Tvedalen
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
        • Tuften (Tuften 1 Quarry; Tuften 2 Quarry)
Nordrum, F.S. (2010): Nyfunn av mineraler i Norge 2009-2010. Stein 37 (2), 4-14
Sweden
 
  • Värmland
    • Filipstad
Dunn, P.J. (1978): Tungstenian tetrawickmanite from Långban, Sweden. Mineralogical record.9, 41; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
Tajikistan
 
  • Viloyati Mukhtori Gorno-Badakhshan (Viloyati Badakhshoni Kuni)
    • Pamir Mts
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Konovalenko, S. I., Voloshin, A. V., Pakhomovskiy, Y. A., Anen'yev, S. S., Perlina, G. A., Rogachev, D. L., & Kuznetsov, V. Y. (1984). Tusionite, MnSn (BO3) 2, A New Borate from Granite Pegmatite of Southwestern Pamir. International Geology Review, 26(4), 481-485.
USA (TL)
 
  • North Carolina
    • Cleveland Co.
      • Kings Mountain District
Mineralogical Record, vol. 4, January-February 1973. pages 24-30.; Rocks and Minerals, (1985) 60:76-82; Carolina Geological Society Field Trip Guidebook 1981, 39-48
Mineral and/or Locality  
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