Wickmanite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Wickmanite
Formula:
Mn2+[Sn(OH)6]
Colour:
Brownish yellow, yellow, pink
Lustre:
Vitreous, Resinous
Hardness:
4 - 4½
Specific Gravity:
3.89
Crystal System:
Isometric
Member of:
Name:
Named after Frans Erik Wickman (1915-2013), Swedish mineralogist.
Dimorph of:
Schoenfliesite Group. The Ge analogue (unnamed) is described by Geier & Ottemann (1970) (see 'UM1970-16-OH:GeMn').
Unique Identifiers
Mindat ID:
4283
Long-form identifier:
mindat:1:1:4283:9
GUID
(UUID V4):
(UUID V4):
2b20d27f-84b0-4464-89af-e7a71515827e
IMA Classification of Wickmanite
Classification of Wickmanite
4.FC.10
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
6.3.6.1
6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
7.11.7
7 : Oxides and Hydroxides
11 : Oxides of Sn and Pb
7 : Oxides and Hydroxides
11 : Oxides of Sn and Pb
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 |
---|---|---|
Wm | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Wickmanite
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
Physical Properties of Wickmanite
Vitreous, Resinous
Colour:
Brownish yellow, yellow, pink
Streak:
White
Hardness:
4 - 4½ on Mohs scale
Cleavage:
Distinct/Good
On {100}
On {100}
Density:
3.89(5) g/cm3 (Measured)
Chemistry of Wickmanite
Mindat Formula:
Mn2+[Sn(OH)6]
Elements listed:
Common Impurities:
Ca
Crystallography of Wickmanite
Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Pn3
Cell Parameters:
a = 7.8744 Å
Unit Cell V:
488.26 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Octahedrons.
Comment:
RRUFF ID: R100017.9 has 7.904(1) Å.
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
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) |
---|---|---|---|---|---|---|---|
0005566 | Wickmanite | Basciano L C, Peterson R C, Roeder P L (1998) Description of schoenfliesite, MgSn(OH)6, and roxbyite, Cu1.72S, from a 1375 BC shipwreck, and rietveld neutron-diffraction refinement of synthetic schoenfliesite, wickmanite, MnSn(OH)6, and burtite, CaSn(OH)6 The Canadian Mineralogist 36 1203-1210 | 1998 | a 1375 BC shipwreck | 0 | 293 | |
0020384 | Wickmanite | Christensen A N, Hazell R G (1969) Hydrothermal preparation of hydroxy stannates. The crystal structure of MnSn(OH)6 Acta Chemica Scandinavica 23 1219-1224 | 1969 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.552 Å | (4) |
3.931 Å | (10) |
2.778 Å | (6) |
2.372 Å | (3) |
1.7618 Å | (7) |
1.6080 Å | (5) |
1.0536 Å | (4) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
31 : Thermally altered carbonate, phosphate, and iron formations | |
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Wickmanite
General Appearance of Type Material:
Yellow perfect unmodified octahedra to 2 mm on edge.
Place of Conservation of Type Material:
Swedish Museum of Natural History, Stockholm, Sweden, 532405.
National Museum of Natural History, Washington, D.C., USA, 120068, 162615.
National Museum of Natural History, Washington, D.C., USA, 120068, 162615.
Geological Setting of Type Material:
Late-stage low temperature mineral in skarn.
Associated Minerals at Type Locality:
Synonyms of Wickmanite
Other Language Names for Wickmanite
Relationship of Wickmanite to other Species
Member of:
Other Members of this group:
Burtite | Ca[Sn(OH)6] | Hex. |
Jeanbandyite | Fe3+xFe2+1-xSn(OH)6-xOx | Tet. 4/m : P42/n |
Mushistonite | (Cu,Zn,Fe2+)[Sn(OH)6] | Iso. m3m (4/m 3 2/m) : Pn3m |
Natanite | Fe2+[Sn(OH)6] | Iso. m3m (4/m 3 2/m) : Pn3m |
Schoenfliesite | Mg[Sn(OH)6] | Iso. m3 (2/m 3) : Pn3 |
Vismirnovite | Zn[Sn(OH)6] | Iso. m3m (4/m 3 2/m) : Pn3m |
Common Associates
Associated Minerals Based on Photo Data:
6 photos of Wickmanite associated with Magnetite | Fe2+Fe3+2O4 |
4 photos of Wickmanite associated with Tetrawickmanite | Mn2+[Sn4+(OH)6] |
3 photos of Wickmanite associated with Aminoffite | Ca2(Be,Al)(Si2O7)(H2O,OH) |
3 photos of Wickmanite associated with Chalcopyrite | CuFeS2 |
3 photos of Wickmanite associated with Jeanbandyite | Fe3+xFe2+1-xSn(OH)6-xOx |
3 photos of Wickmanite associated with Crandallite | CaAl3(PO4)(PO3OH)(OH)6 |
3 photos of Wickmanite associated with Stannite | Cu2FeSnS4 |
3 photos of Wickmanite associated with Pyrite | FeS2 |
3 photos of Wickmanite associated with Hulsite | (Fe2+,Mg)2(Fe3+,Sn)(BO3)O2 |
3 photos of Wickmanite associated with Schoenfliesite | Mg[Sn(OH)6] |
Related Minerals - Strunz-mindat Grouping
4.FC.05 | Bernalite | Fe(OH)3 · nH2O (n = 0.0 to 0.25) |
4.FC.05 | Dzhalindite | In(OH)3 |
4.FC.05 | Söhngeite | Ga(OH)3 |
4.FC.10 | Burtite | Ca[Sn(OH)6] |
4.FC.10 | Mushistonite | (Cu,Zn,Fe2+)[Sn(OH)6] |
4.FC.10 | Natanite | Fe2+[Sn(OH)6] |
4.FC.10 | Schoenfliesite | Mg[Sn(OH)6] |
4.FC.10 | Vismirnovite | Zn[Sn(OH)6] |
4.FC.15 | Jeanbandyite | Fe3+xFe2+1-xSn(OH)6-xOx |
4.FC.15 | Mopungite | Na[Sb5+(OH)6] |
4.FC.15 | Stottite | Fe2+[Ge4+(OH)6] |
4.FC.15 | Tetrawickmanite | Mn2+[Sn4+(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 | Ferronigerite-6N6S | (Al,Fe,Zn)3(Al,Sn,Fe)8O15(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
Notes:
Soluble, with difficulty, in cold 1:1 hydrochloric acid solution, coloring the solution pale green.
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 Wickmanite
mindat.org URL:
https://www.mindat.org/min-4283.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Wickmanite
Reference List:
Strunz, H., Contag, B. (1960) Hexahydroxostannate Fe, Mn, Co, Mg, Ca[Sn(OH)6] und deren Kristallstruktur. Acta Crystallographica, 13 (8) 601-603 doi:10.1107/s0365110x60001436
Christensen, A. Nørlund, Hazell, R. G., Sletten, Jorunn, Nielsen, P. H., Lindberg, Alf A., Jansen, Gert, Lamm, Bo, Samuelsson, Benny (1969) Hydrothermal Preparation of Hydroxy Stannates. The Crystal Structure of MnSn(OH)6. Acta Chemica Scandinavica, 23. 1219-1224 doi:10.3891/acta.chem.scand.23-1219synth. wickmanite
Localities for Wickmanite
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Australia | |
| www.crocoite.com (2001) |
Bolivia | |
| David Hospital specimen |
| Wilson (2001) |
Canada | |
| Royal Ontario Museum Collection |
Czech Republic | |
| Josef Vajdak (2002) |
Mexico | |
| Megaw (2023) |
| Megaw (2023) |
Morocco | |
| Econ Geol (1989) |
| Ph. M. Sonnet : "Burtite |
Namibia | |
| rruff.geo.arizona.edu (n.d.) |
Norway | |
| Engvoldsen et al. (1991) +1 other reference |
| Andersen (1993) |
| Åmli et al. (1972) |
Larsen (2016) | |
Nordrum (2007) +1 other reference | |
Kamphaug (1987) | |
Russia | |
| Kampf (1982) +2 other references |
| Canadian Mineralogist 15 (1977) |
Sweden | |
| Langhof et al. (Pt. 2, June) +1 other reference |
| |
| MinRec: 4:27 +2 other references |
Thulin (2003) +1 other reference | |
Swedish Museum of Natural History +1 other reference | |
| Sandström (2008) |
UK | |
| Hubbard (1989) |
USA | |
| Bernard et al. (2004) |
| Min Rec 17:5 p342 |
Min Rec 17:5 p342 |
Quick NavTopAbout WickmaniteUnique IdentifiersIMA Classification Classification Mineral SymbolsPronunciation Physical Properties Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Nordmark Odal Field, Filipstad, Värmland County, Sweden