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General Seeligerite Information |
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 Chemical Formula: |
Pb3Cl3(IO3)O | ||
| Composition: |
Molecular Weight = 918.86 gm | ||
| Lead 67.65 % Pb 72.87 % PbO | |||
| Iodine 13.81 % I 18.16 % I2O5 | |||
| Chlorine 11.58 % Cl 11.58 % Cl | |||
| - % Cl -2.61 % -O=Cl2 | |||
| Oxygen 6.96 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Pb3Cl3(IO3)O | ||
| Environment: |
Secondary mineral in nitrate deposits. | ||
| IMA Status: |
Approved IMA 1971 | ||
| Locality: |
Santa Ana mine, Caracoles, Sierra Groda, Chile. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Erich Seeliger, German mineralogist, Technical University, Berlin. | ||
| Name Pronunciation: |
Seeligerite + Pronunciation  |
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Seeligerite Image | |||
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Images:
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Seeligerite Crystallography |
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| Axial Ratios: |
a:b:c =1:1:3.4264 | ||
| Cell Dimensions: |
a = 7.964, b = 7.964, c = 27.288, Z = 8; V = 1,730.75 Den(Calc)= 7.05 | ||
| Crystal System: |
Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: C 2221 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.219(1), 3.649(0.9), 2.785(0.8), | ||
Physical Properties of Seeligerite |
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| Cleavage: |
{001} Perfect, {110} Good | ||
| Color: |
Light yellow. | ||
| Density: |
6.83 | ||
| Habit: |
Platy - Sheet forms (e.g. micas). | ||
| Streak: |
light yellow | ||
Optical Properties of Seeligerite |
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| Gladstone-Dale: |
CI meas= -0.086 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.052 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1778,KPDmeas= 0.1835,KC= 0.1689 Ncalc = 2.15 - 2.19 |
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| Optical Data: |
Biaxial (-), a=2.12, b=2.32, g=2.32, bire=0.2000, 2V(Calc)=0, 2V(Meas)=4. | ||
Calculated Properties of Seeligerite |
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| Electron Density: |
Bulk Density (Electron Density)=5.86 gm/cc note: Specific Gravity of Seeligerite =7.05 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.14 Boson Index = 0.86 |
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| Photoelectric: |
PESeeligerite =1,305.79 barns/electron U=PESeeligerite x rElectron Density=7,654.33 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Seeligerite is Not Radioactive |
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Seeligerite Classification |
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| Dana Class: |
22.01.02.01 (22)Iodates - Hydroxyl or Halogen | ||
| (22.01)with miscellaneous formulae | |||
| (22.01.02)Dana Group | |||
| Strunz Class: |
04.KB.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate | ||
| 04.K - Iodates | |||
| 04.KB -Iodates with additional anions, without H2O | |||
Other Seeligerite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Seeligerite : 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 Search for Seeligerite using: Visit our Advertisers for Seeligerite : A Bijoux Google Search for SeeligeriteAdam's Minerals Google Search for Seeligerite Cape Minerals Google Search for Seeligerite Dakota Matrix Minerals Google Search for Seeligerite Excalibur Mineral Corp. Google Search for Seeligerite Exceptional Minerals Google Search for Seeligerite John Betts Fine Minerals Search for Seeligerite McDougall Minerals Google Search for Seeligerite Mineral News Website Link Rock and Mineral Shows Google Search for Seeligerite Weinrich Minerals, Inc. Google Search for Seeligerite Ask about Seeligerite here : Print or Cut-and-Paste your Seeligerite Specimen Label here :
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