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Schoenfliesite

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Formula:
Mg[Sn(OH)6]
System:
Isometric
Colour:
Dark red-brown, orange
Hardness:
4 - 4½
Name:
Named after Arthur Moritz Schoenflies ( 17 April 1853 – 27 May 1928) Professor of Mathematics, University of Frankfurt. He developed a system of crystallographic indexing.

Classification of Schoenfliesite

Approved 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
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Type Occurrence of Schoenfliesite

Year of Discovery:
1968

Physical Properties of Schoenfliesite

Colour:
Dark red-brown, orange
Hardness (Mohs):
4 - 4½
Density:
3.483 g/cm3 (Calculated)

Crystallography of Schoenfliesite

Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Pn3
Space Group Setting:
Pn3
Cell Parameters:
a = 7.759(6) Å
Unit Cell Volume:
V 467.11 ų (Calculated from Unit Cell)
Z:
4
X-Ray Powder Diffraction Data:
d-spacingIntensity
3.88 (100)
4.48 (50)
2.74 (25)
1.733 (25)

Chemical Properties of Schoenfliesite

Formula:
Mg[Sn(OH)6]
Essential elements:
All elements listed in formula:

Relationship of Schoenfliesite to other Species

Other Members of Group:
BurtiteCa[Sn(OH)6]
Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]
NataniteFe2+[Sn(OH)6]
VismirnoviteZn[Sn(OH)6]
WickmaniteMn2+[Sn(OH)6]
4.FC.05BernaliteFe(OH)3 · nH2O (n = 0.0 to 0.25)
4.FC.05DzhalinditeIn(OH)3
4.FC.05SöhngeiteGa(OH)3
4.FC.10BurtiteCa[Sn(OH)6]
4.FC.10Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]
4.FC.10NataniteFe2+[Sn(OH)6]
4.FC.10VismirnoviteZn[Sn(OH)6]
4.FC.10WickmaniteMn2+[Sn(OH)6]
4.FC.15Jeanbandyite(Fe2+,Mn2+)[Sn4+(OH)6]
4.FC.15MopungiteNa[Sb5+(OH)6]
4.FC.15StottiteFe2+[Ge4+(OH)6]
4.FC.15TetrawickmaniteMn2+[Sn4+(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-2N1SSn(Zn,Fe,Mg)Al6O11(OH)
4.FC.20Zinconigerite-6N6S(Zn,Mg,Al)3(Al,Sn,Fe)8O15(OH)
4.FC.25Magnesiotaaffeite-6N’3SMg2BeAl6O12
4.FC.25Magnesiotaaffeite-2N’2SMg3Al8BeO16
7.11.1RomarchiteSnO
7.11.2CassiteriteSnO2
7.11.5BurtiteCa[Sn(OH)6]
7.11.6VismirnoviteZn[Sn(OH)6]
7.11.7WickmaniteMn2+[Sn(OH)6]
7.11.8TetrawickmaniteMn2+[Sn4+(OH)6]
7.11.9Jeanbandyite(Fe2+,Mn2+)[Sn4+(OH)6]
7.11.10NataniteFe2+[Sn(OH)6]
7.11.11Mushistonite(Cu,Zn,Fe2+)[Sn(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]
7.11.17CarboiriteFeAl2(GeO4)O(OH)2
7.11.18OtjisumeitePbGe4O9
7.11.19BartelkeitePb(Fe2+Ge)[Ge2O7](OH)2 · H2O
7.11.20MassicotPbO
7.11.21LithargePbO
7.11.22MiniumPb3O4
7.11.23PlattneritePbO2
7.11.24Scrutinyiteα-PbO2
7.11.25MurdochitePbCu6O8-x(Cl,Br)2x where x<=0.5
7.11.26MacedonitePbTiO3
7.11.27CesàrolitePb(Mn4+)3O6(OH)2
7.11.28CoronaditePb(Mn64+Mn23+)O16
7.11.29QuenselitePbMnO2(OH)
7.11.30PlumboferritePb2Fe3+11-xMnx2+O19-2x, x = 1/3
7.11.31Magnetoplumbite(Pb,Mn)(Fe,Mn)12O19
7.11.32SenaitePb(Ti,Fe,Mn)21O38

Other Names for Schoenfliesite

Name in Other Languages:

Other Information

Other Information:
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 Schoenfliesite

Reference List:
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 Schoenfliesite

Localities for Schoenfliesite

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.
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
        • Pitkyaranta District (Pitkäranta District)
Can. Min. 15, 437(1977); Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
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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