Schoenfliesite
A valid IMA mineral species
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About Schoenfliesite
Arthur Moritz Schoenflies
Formula:
Mg[Sn(OH)6]
Colour:
Dark red-brown, yellow, orange, greenish yellow
Lustre:
Resinous, Waxy, Greasy, Dull
Hardness:
4 - 4½
Specific Gravity:
3.32
Crystal System:
Isometric
Name:
Named in 1971 by George T. Faust and Waldemar T. Schaller in honor of Arthur Moritz Schoenflies ( 17 April 1853 – 27 May 1928) Professor of Mathematics, University of Frankfurt. Schoenflies' researches in group theory and topology resulted in his proof of the 230 space groups. His crystallographic indexing techniques also greatly facilitated the solving of mineral and chemical crystal structures.
This page provides mineralogical data about Schoenfliesite.
Unique Identifiers
Mindat ID:
3573
Long-form identifier:
mindat:1:1:3573:2
GUID
(UUID V4):
(UUID V4):
5c342c96-8a87-49f0-9958-0e9948be28c2
IMA Classification of Schoenfliesite
Classification of Schoenfliesite
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
6.3.6.2
6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
7.11.4
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 |
|---|---|---|
| Sfs | 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 Schoenfliesite
Resinous, Waxy, Greasy, Dull
Transparency:
Transparent, Translucent
Colour:
Dark red-brown, yellow, orange, greenish yellow
Streak:
Nearly white, lighter than massive mineral
Hardness:
4 - 4½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
3.32 g/cm3 (Measured) 3.483 g/cm3 (Calculated)
Optical Data of Schoenfliesite
Type:
Isotropic
RI values:
n = 1.667
Birefringence:
0.0
Surface Relief:
Moderate
Pleochroism:
Non-pleochroic
Chemistry of Schoenfliesite
Mindat Formula:
Mg[Sn(OH)6]
Elements listed:
Crystallography of Schoenfliesite
Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Pn3
Setting:
Pn3
Cell Parameters:
a = 7.759(6) Å
Unit Cell V:
467.11 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Octahedral, usually massive.
Comment:
Data for synthetic material
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Big Balls | Small Balls | Just Balls | Spacefill
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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) |
|---|---|---|---|---|---|---|---|
| 0005565 | Schoenfliesite | 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 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.48 Å | (40) |
| 3.87 Å | (100) |
| 2.74 Å | (35) |
| 2.44 Å | (6) |
| 2.33 Å | (20) |
| 2.24 Å | (10) |
| 2.07 Å | (2) |
| 1.938 Å | (16) |
| 1.778 Å | (20) |
| 1.733 Å | (16) |
| 1.584 Å | (20) |
| 1.493 Å | (20) |
| 1.371 Å | (10) |
| 1.328 Å | (2) |
| 1.311 Å | (10) |
| 1.293 Å | (10) |
| 1.226 Å | (10) |
| 1.181 Å | (2) |
| 1.169 Å | (10) |
| 1.119 Å | (2) |
| 1.088 Å | (2) |
| 1.075 Å | (2) |
| 1.028 Å | (6) |
| 1.010 Å | (2) |
| 0.9405 Å | (6) |
| 0.9143 Å | (6) |
| 0.8964 Å | (2) |
| 0.8896 Å | (2) |
| 0.8681 Å | (2) |
| 0.8525 Å | (2) |
| 0.8465 Å | (2) |
| 0.8277 Å | (2) |
| 0.8138 Å | (2) |
| 0.7927 Å | (2) |
| 0.7811 Å | (2) |
Comments:
9-27 (synthetic); natural material frequently yeild few d values. ICDD 13-355 replaced by these values.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-𝑇 alteration and/or metamorphism | |
| 31 : Thermally altered carbonate, phosphate, and iron formations |
Geological Setting:
Serpentinized dolostone in contact with B-Be-Sr-W skarn
Type Occurrence of Schoenfliesite
General Appearance of Type Material:
Very fine-grained particles, less than 10 microns in size.
Place of Conservation of Type Material:
No designated type material.
Geological Setting of Type Material:
Hydrothermal alteration of boron-enriched contact metamorphosed limestone.
Associated Minerals at Type Locality:
Synonyms of Schoenfliesite
Other Language Names for Schoenfliesite
Relationship of Schoenfliesite to other Species
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 |
| Vismirnovite | Zn[Sn(OH)6] | Iso. m3m (4/m 3 2/m) : Pn3m |
| Wickmanite | Mn2+[Sn(OH)6] | Iso. m3 (2/m 3) : Pn3 |
Common Associates
Associated Minerals Based on Photo Data:
| 13 photos of Schoenfliesite associated with Hulsite | (Fe2+,Mg)2(Fe3+,Sn)(BO3)O2 |
| 8 photos of Schoenfliesite associated with Magnetite | Fe2+Fe3+2O4 |
| 4 photos of Schoenfliesite associated with Ludwigite | Mg2Fe3+(BO3)O2 |
| 3 photos of Schoenfliesite associated with Chalcopyrite | CuFeS2 |
| 3 photos of Schoenfliesite associated with Wickmanite | Mn2+[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 | Vismirnovite | Zn[Sn(OH)6] |
| 4.FC.10 | Wickmanite | Mn2+[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 |
Fluorescence of Schoenfliesite
Not fluorescent in UV
Other Information
Notes:
The mineral is soluble in HCl and slowly soluble in NaOH.
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 Schoenfliesite
mindat.org URL:
https://www.mindat.org/min-3573.html
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References for Schoenfliesite
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
Localities for Schoenfliesite
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 | |
| R Bottrill (in prep 2018) |
Bolivia | |
| Joy Desor EDS analysis |
China | |
| Chen et al. (1992) |
| Chengdian Pen (1986) | |
Czech Republic | |
| - (n.d.) |
France | |
| Dill (2008) |
Malaysia | |
| rruff.geo.arizona.edu (n.d.) +2 other references |
Russia | |
| Ivashchenko et al. (2006) |
| Nefedov et al. (1977) +1 other reference |
Spain | |
| González-Pérez et al. (2023) |
| www.foro-minerales.com (n.d.) |
Turkey | |
| Basciano et al. (1998) |
USA (TL) | |
| Faust G T (1971) |
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Zlatý Kopec skarn deposit, Zlatý Kopec, Boží Dar, Karlovy Vary District, Karlovy Vary Region, Czech Republic