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Schoenfliesite

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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.


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Classification of SchoenfliesiteHide

Approved
Approval Year:
1968
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
6.3.6.2

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
7.11.4

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

Physical Properties of SchoenfliesiteHide

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 SchoenfliesiteHide

Type:
Isotropic
RI values:
n = 1.667
Birefringence:
0.0
Max Birefringence:
δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:
Moderate
Pleochroism:
Non-pleochroic

Chemical Properties of SchoenfliesiteHide

Formula:
Mg[Sn(OH)6]
IMA Formula:
MgSn(OH)6

Crystallography of SchoenfliesiteHide

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

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.48 (40)
3.87 (100)
2.74 (35)
2.44 (6)
2.33 (20)
2.24 (10)
2.07 (2)
1.938 (16)
1.778 (20)
1.733 (16)
1.584 (20)
1.493 (20)
1.371 (10)
1.328 (2)
1.311 (10)
1.293 (10)
1.226 (10)
1.181 (2)
1.169 (10)
1.119 (2)
1.088 (2)
1.075 (2)
1.028 (6)
1.010 (2)
0.9405 (6)
0.9143 (6)
0.8964 (2)
0.8896 (2)
0.8681 (2)
0.8525 (2)
0.8465 (2)
0.8277 (2)
0.8138 (2)
0.7927 (2)
0.7811 (2)
Comments:
9-27 (synthetic); natural material frequently yeild few d values. ICDD 13-355 replaced by these values.

Type Occurrence of SchoenfliesiteHide

Geological Setting of Type Material:
Hydrothermal alteration of boron-enriched contact metamorphosed limestone
Associated Minerals at Type Locality:

Synonyms of SchoenfliesiteHide

Other Language Names for SchoenfliesiteHide

Relationship of Schoenfliesite to other SpeciesHide

Other Members of this group:
BurtiteCa[Sn(OH)6]Iso.
JeanbandyiteFe3+xFe2+1-xSn(OH)6-xOx (1 ≥ x > 0.5)Tet. 4/m : P42/n
Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]
NataniteFe2+[Sn(OH)6]Iso. m3m (4/m 3 2/m) : Pn3m
VismirnoviteZn[Sn(OH)6]Iso.
WickmaniteMn2+[Sn(OH)6]Iso. m3 (2/m 3) : Pn3

Common AssociatesHide

BerboriteBe2(BO3)(OH,F) · H2O
CalciteCaCO3
CassiteriteSnO2
Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
DiopsideCaMgSi2O6
DolomiteCaMg(CO3)2
FluoriteCaF2
MagnetiteFe2+Fe3+2O4
Associated Minerals Based on Photo Data:
Hulsite8 photos of Schoenfliesite associated with Hulsite on mindat.org.
Magnetite2 photos of Schoenfliesite associated with Magnetite on mindat.org.
Ludwigite2 photos of Schoenfliesite associated with Ludwigite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.FC.05BernaliteFe(OH)3 · nH2O (n = 0.0 to 0.25)Orth. mmm (2/m 2/m 2/m) : Pmmn
4.FC.05DzhalinditeIn(OH)3Iso.
4.FC.05SöhngeiteGa(OH)3Tet.
4.FC.10BurtiteCa[Sn(OH)6]Iso.
4.FC.10Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]
4.FC.10NataniteFe2+[Sn(OH)6]Iso. m3m (4/m 3 2/m) : Pn3m
4.FC.10VismirnoviteZn[Sn(OH)6]Iso.
4.FC.10WickmaniteMn2+[Sn(OH)6]Iso. m3 (2/m 3) : Pn3
4.FC.15JeanbandyiteFe3+xFe2+1-xSn(OH)6-xOx (1 ≥ x > 0.5)Tet. 4/m : P42/n
4.FC.15MopungiteNa[Sb5+(OH)6]Tet. 4/m : P42/n
4.FC.15StottiteFe2+[Ge4+(OH)6]Tet.
4.FC.15TetrawickmaniteMn2+[Sn4+(OH)6]Tet. 4/m : P42/n
4.FC.20Ferronigerite-2N1S(Al,Fe,Zn)2(Al,Sn)6O11(OH)Trig. 3m (3 2/m) : P3m1
4.FC.20Magnesionigerite-6N6S(Mg,Al,Zn)3(Al,Sn,Fe)8O15(OH)Trig. 3m (3 2/m) : R3m
4.FC.20Magnesionigerite-2N1S(Mg,Al,Zn)2(Al,Sn)6O11(OH)Trig. 3m (3 2/m) : P3m1
4.FC.20Ferronigerite-6N6S(Al,Fe,Zn)3(Al,Sn,Fe)8O15(OH)Trig. 3m (3 2/m) : R3m
4.FC.20Zinconigerite-2N1S(Zn,Al,Mg)2(Al,Sn)6O11(OH)Trig. 3m (3 2/m) : P3m1
4.FC.20Zinconigerite-6N6S(Zn,Mg,Al)3(Al,Sn,Fe)8O15(OH)Trig. 3m (3 2/m) : R3m
4.FC.25Magnesiotaaffeite-6N’3SMg2BeAl6O12Trig.
4.FC.25Magnesiotaaffeite-2N’2SMg3Al8BeO16Hex. 6/mmm (6/m 2/m 2/m)

Related Minerals - Dana Grouping (8th Ed.)Hide

6.3.6.1WickmaniteMn2+[Sn(OH)6]Iso. m3 (2/m 3) : Pn3
6.3.6.3NataniteFe2+[Sn(OH)6]Iso. m3m (4/m 3 2/m) : Pn3m
6.3.6.4VismirnoviteZn[Sn(OH)6]Iso.
6.3.6.5BurtiteCa[Sn(OH)6]Iso.
6.3.6.6Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.11.1RomarchiteSnOTet.
7.11.2CassiteriteSnO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
7.11.5BurtiteCa[Sn(OH)6]Iso.
7.11.6VismirnoviteZn[Sn(OH)6]Iso.
7.11.7WickmaniteMn2+[Sn(OH)6]Iso. m3 (2/m 3) : Pn3
7.11.8TetrawickmaniteMn2+[Sn4+(OH)6]Tet. 4/m : P42/n
7.11.9JeanbandyiteFe3+xFe2+1-xSn(OH)6-xOx (1 ≥ x > 0.5)Tet. 4/m : P42/n
7.11.10NataniteFe2+[Sn(OH)6]Iso. m3m (4/m 3 2/m) : Pn3m
7.11.11Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]
7.11.12Ferronigerite-2N1S(Al,Fe,Zn)2(Al,Sn)6O11(OH)Trig. 3m (3 2/m) : P3m1
7.11.13MagnesionigeriteTrig.
7.11.14ArgutiteGeO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
7.11.15BrunogeieriteFe2+2Ge4+O4Iso. m3m (4/m 3 2/m) : Fd3m
7.11.16StottiteFe2+[Ge4+(OH)6]Tet.
7.11.17CarboiriteFeAl2(GeO4)O(OH)2Tric.
7.11.18OtjisumeitePbGe4O9Tric.
7.11.19BartelkeitePb(Fe2+Ge)[Ge2O7](OH)2 · H2OMon. 2/m : P21/m
7.11.20MassicotPbOOrth. mmm (2/m 2/m 2/m) : Cmmm
7.11.21LithargePbOTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
7.11.22MiniumPb3O4Tet. 4/mmm (4/m 2/m 2/m) : P42/mbc
7.11.23PlattneritePbO2Tet. 4/mmm (4/m 2/m 2/m)
7.11.24Scrutinyiteα-PbO2Orth.
7.11.25MurdochitePbCu6O8-x(Cl,Br)2x where x<=0.5Iso. m3m (4/m 3 2/m) : Fm3m
7.11.26MacedonitePbTiO3Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
7.11.27CesàrolitePb(Mn4+)3O6(OH)2
7.11.28CoronaditePb(Mn4+6Mn3+2)O16Mon. 2/m
7.11.29QuenselitePbMnO2(OH)Mon. 2/m : P2/b
7.11.30PlumboferritePb2(Fe3+,Mn2+,Mg)11O19Trig. 3 2
7.11.31Magnetoplumbite(Pb,Mn)(Fe,Mn)12O19Hex.
7.11.32SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig.

Fluorescence of SchoenfliesiteHide

Not fluorescent in UV

Other InformationHide

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.

References for SchoenfliesiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Faust G T, Schaller W T (1971) Schoenfliesite, MgSn(OH)6. Zeitschrift für Kristallographie 134, 116-141
American Mineralogist (1972): 57: 1557.
Acta Crystallographica: 13: 601-603.
Canadian Mineralogist (1977) 15: 437.

Internet Links for SchoenfliesiteHide

Localities for SchoenfliesiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Bolivia
 
  • Potosí Department
    • Chayanta Province
Joy Desor EDS analysis
China
 
  • Yunnan Province
    • Honghe Autonomous Prefecture
      • Gejiu Co.
        • Gejiu Sn-polymetallic ore field
Chen, J., Halls, C., and Stanley, C.J. (1992): Chinese Journal of Geochemistry 11(2), 140-155.
Chengdian Pen (1986): Mineral Deposits 5(3), 37-48
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
Natural History Museum Vienna collection
Malaysia
 
  • Pahang
http://rruff.geo.arizona.edu/doclib/hom/schoenfliesite.pdf.; Hassan, W. & Faud, W. (1993): Mineral of the schoenfliesite - wickmanite series from Sungai Gow, Pahang; a preliminary finding. Wana Geologi, Newsletter of the Geologiral Society of Malaysia 19(6), 239-245
Russia
 
  • Northern Region
    • Karelia Republic
      • Ladoga Region
Ivashchenko, V. I., & Lavrov, О. В. (2006) Ore Deposits and Occurrences in the North Ladoga Region, Southwest Karelia. in Ore Deposits And Occurrences In The North Ladoga Region, Southwest Karelia Field Trip Guidebook. Understanding the genesis of ore deposits to meet the demands of the 21st century 12th Quadrennial IAGOD Symposium 2006. Moscow. P.41-64.
Canadian Mineralogist 15, 437(1977); Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Spain
 
  • Castile-La Mancha
    • Toledo
      • San Pablo de los Montes
        • Morro Viñas
http://www.foro-minerales.com/forum/viewtopic.php?p=132136#132136
Turkey
 
  • Mediterranean Region
    • Antalya Province
      • Kaş
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
USA (TL)
 
  • Alaska
    • Nome Borough
      • Seward Peninsula
Faust G T, Schaller W T (1971) Schoenfliesite, MgSn(OH)6. Zeitschrift für Kristallographie 134, 116-141
Mineral and/or Locality  
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