General Allanpringite Information![]() Fe3(PO4)2(OH)3•5H2O |
![]() Molecular Weight = 498.07 gm |
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Aluminum 0.16 % Al 0.31 % Al2O3 |
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Iron 33.41 % Fe 47.77 % Fe2O3 |
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Phosphorus 12.44 % P 28.50 % P2O5 |
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Hydrogen 2.62 % H 23.44 % H2O |
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Oxygen 51.36 % O |
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______ ______ |
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100.00 % 100.02 % = TOTAL OXIDE |
![]() Fe3+2.98Al0.03(PO4)2(OH)3.02•4.97(H2O) |
![]() Secondary mineral on dump of the abandoned mine. Wavellite group. |
![]() Approved IMA 2004 (Dana # Added) |
![]() Grube Mark near Essershausen, Taunus, Hesse, Germany. Link to MinDat.org Location Data. |
![]() Named for Allan Pring, eminent Australian mineralogist. |
![]() IMA2004-050 |
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Allanpringite Crystallography![]() a:b:c =1.3287:1:2.4232 |
![]() a = 9.777, b = 7.358, c = 17.83, Z = 4; beta = 92.19° V = 1,281.74 Den(Calc)= 2.58 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n pseudo-ortho |
![]() By Intensity(I/Io): 8.9(1), 3.231(0.8), 8.41(0.6),3.6(0.5), 5.87(0.5), 3.357(0.4), 4.873(0.3), 2.177(0.2), |
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| Physical Properties of Allanpringite![]() {hk0} Perfect, {010} Good |
![]() Pale brownish yellow. |
![]() 2.54 |
![]() Translucent to transparent |
![]() Acicular - Occurs as needle-like crystals. |
![]() 3 - Calcite |
![]() Vitreous (Glassy) |
![]() pale yellowish white |
| Optical Properties of Allanpringite![]() CI meas= 0.033 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.048 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2693,KPDmeas= 0.2735,KC= 0.283 Ncalc = 1.72 - 1.73 ![]() Biaxial (+), a=1.662, b=1.675, g=1.747, bire=0.0850 |
| Calculated Properties of Allanpringite![]() Bulk Density (Electron Density)=2.54 gm/cc |
note: Specific Gravity of Allanpringite =2.54 gm/cc. ![]() Fermion Index = 0.0073341424 |
Boson Index = 0.9926658576 ![]() PEAllanpringite = 10.42 barns/electron |
U=PEAllanpringite x rElectron Density= 26.43 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Allanpringite is Not Radioactive | Allanpringite Classification![]() 42.10.02.02 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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(42.10)where (AB)3 (XO4)2 Zq · x(H2O) |
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(42.10.02)Wavellite Group |
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![]() 08.DC.50 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DC -With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1 |
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| Other Allanpringite Information![]() NAME( EurJMin, v18:793) PHYS. PROP.(EurJMin, v18:793) OPTIC PROP.(EurJMin, v18:793) |
![]() Links to other databases for Allanpringite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Allanpringite using: Visit our Advertisers for Allanpringite : A Bijoux Google Search for AllanpringiteAdam's Minerals Google Search for Allanpringite Cape Minerals Google Search for Allanpringite Dakota Matrix Minerals Google Search for Allanpringite Excalibur Mineral Corp. Google Search for Allanpringite Exceptional Minerals Google Search for Allanpringite John Betts Fine Minerals Search for Allanpringite McDougall Minerals Google Search for Allanpringite Mineral News Website Link Rock and Mineral Shows Google Search for Allanpringite Weinrich Minerals, Inc. Google Search for Allanpringite Ask about Allanpringite here : Print or Cut-and-Paste your Allanpringite Specimen Label here :
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