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Tetrawickmanite Mineral Data |
General Tetrawickmanite Information |
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Mn++Sn++++(OH)6 | ||
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Molecular Weight = 275.69 gm | ||
Manganese 19.93 % Mn 25.73 % MnO | |||
Tin 43.06 % Sn 54.67 % SnO2 | |||
Hydrogen 2.19 % H 19.60 % H2O | |||
Oxygen 34.82 % O | |||
______ ______ | |||
100.00 % 100.00 % = TOTAL OXIDE | |||
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Mn2+Sn(OH)6 | ||
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Approved IMA 1973 | ||
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Foote Quarry, Kings Mountain, Cleveland County, North Carolina, USA. Link to MinDat.org Location Data. | ||
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Named as the tetragonal analog of wickmanite. | ||
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Tetrawickmanite + Pronunciation ![]() |
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Tetrawickmanite Image | |||
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Tetrawickmanite Crystallography |
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a:c = 1:1.00128 | ||
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a = 7.787, c = 7.797, Z = 4; V = 472.79 Den(Calc)= 3.87 | ||
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Tetragonal - Dipyramidal H-M Symbol (4/m) Space Group: P 41/n | ||
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By Intensity(I/Io): 3.94(1), 2.77(0.9), 1.76(0.5), | ||
Physical Properties of Tetrawickmanite |
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None | ||
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Brown orange, Honey yellow. | ||
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3.65 | ||
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Transparent to Translucent | ||
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Pseudo Cubic - Crystals show a cubic outline. | ||
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3.5-4.5 - Between Copper Penny and Fluorite-Apatite | ||
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Vitreous (Glassy) | ||
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white | ||
Optical Properties of Tetrawickmanite |
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CI meas= -0.012 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.046 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1866,KPDmeas= 0.1978,KC= 0.1955 Ncalc = 1.71 - 1.76 |
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Uniaxial (-), e=1.72, w=1.724, bire=0.0040. | ||
Calculated Properties of Tetrawickmanite |
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Bulk Density (Electron Density)=3.42 gm/cc note: Specific Gravity of Tetrawickmanite =3.65 gm/cc. |
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Fermion Index = 0.07 Boson Index = 0.93 |
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PETetrawickmanite = 132.04 barns/electron U=PETetrawickmanite x rElectron Density= 451.02 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Tetrawickmanite is Not Radioactive |
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Tetrawickmanite Classification |
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06.03.07.02 (06)Hydroxides and Oxides Containing Hydroxyl | ||
(06.03)with (OH)3 or (OH)6 groups | |||
(06.03.07)Wickmanite group (Tetragonal: P42/n) | |||
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04.FC.15 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 Tetrawickmanite 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 Tetrawickmanite : 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 - MinDAT 10 - Mineralienatlas (Deutsch) 11 - Online Mineral Museum 12 - QUT Mineral Atlas 13 - Ruff.Info Search for Tetrawickmanite using: Visit our Advertisers for Tetrawickmanite : Ask about Tetrawickmanite here : Print or Cut-and-Paste your Tetrawickmanite Specimen Label here :
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