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Schoenfliesite Mineral Data |
General Schoenfliesite Information |
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MgSn++++(OH)6 | ||
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Molecular Weight = 245.06 gm | ||
Magnesium 9.92 % Mg 16.45 % MgO | |||
Tin 48.44 % Sn 61.50 % SnO2 | |||
Hydrogen 2.47 % H 22.05 % H2O | |||
Oxygen 39.17 % O | |||
______ ______ | |||
100.00 % 100.00 % = TOTAL OXIDE | |||
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MgSn(OH)6 | ||
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Secondary mineral in oxidized tin-bearing materials. | ||
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Approved IMA 1971 | ||
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Brooks Mountain, Seward Peninsula, Alaska. Link to MinDat.org Location Data. | ||
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Named for Arthur Moritz Schoenflies (1853-1928), professor of mathematics, University of Frankfurt. | ||
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Schoenfliesite + Pronunciation ![]() |
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ICSD 25824 | ||
PDF 27-Sep | |||
Schoenfliesite Image | |||
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Schoenfliesite Crystallography |
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a = 7.759, Z = 4; V = 467.11 Den(Calc)= 3.48 | ||
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Isometric - Diploidal H-M Symbol (2/m 3) Space Group: P n3 | ||
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By Intensity(I/Io): 3.88(1), 4.48(0.5), 2.74(0.25), | ||
Physical Properties of Schoenfliesite |
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None | ||
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Reddish brown. | ||
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3.483 | ||
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Transparent | ||
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Fibrous - Crystals made up of fibers. | ||
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Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | ||
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4-4.5 - Between Fluorite and Apatite | ||
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Vitreous (Glassy) | ||
Optical Properties of Schoenfliesite |
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CI meas= 0.135 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= 0.134 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1695,KPDmeas= 0.1694,KC= 0.1958 Ncalc = 1.68 |
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Isotropic, n=1.59. | ||
Calculated Properties of Schoenfliesite |
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Bulk Density (Electron Density)=3.29 gm/cc note: Specific Gravity of Schoenfliesite =3.48 gm/cc. |
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Fermion Index = 0.09 Boson Index = 0.91 |
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PESchoenfliesite = 141.23 barns/electron U=PESchoenfliesite x rElectron Density= 465.29 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Schoenfliesite is Not Radioactive |
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Schoenfliesite Classification |
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06.03.06.02 (06)Hydroxides and Oxides Containing Hydroxyl | ||
(06.03)with (OH)3 or (OH)6 groups | |||
(06.03.06)Wickmanite group (Cubic or Trigonal, 2+ cations containing Sn) | |||
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04.FC.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate | ||
04.F - Hydroxides (without V or U) | |||
04.FC -Hydroxides with OH, without H2O; corner-sharing octahedra | |||
Other Schoenfliesite Information |
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NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
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Links to other databases for Schoenfliesite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Schoenfliesite using: Visit our Advertisers for Schoenfliesite : Ask about Schoenfliesite here : Print or Cut-and-Paste your Schoenfliesite Specimen Label here :
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