General Pringleite Information![]() Ca9B26O34(OH)24Cl4•13(H2O) |
![]() Molecular Weight = 1,969.93 gm |
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Calcium 18.31 % Ca 25.62 % CaO |
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Boron 14.27 % B 45.94 % B2O3 |
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Hydrogen 2.56 % H 22.86 % H2O |
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Chlorine 7.20 % Cl 7.20 % Cl |
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- %
Cl -1.62 % -O=Cl2 |
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Oxygen 57.66 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() Ca9B26O34(OH)24Cl4•13(H2O) |
![]() Found in an evaporite deposit. Dimorphous with ruitenbergite. |
![]() Approved IMA 1993 |
![]() Potash Corporation of America mine, Penobsquis evaporite deposit, near Sussex, New Brunswick, Canada. Link to MinDat.org Location Data. |
![]() Named for Gordon J. Pringle (1944- ), mineralogist, Geological Survey of Canada, Ottawa, Canada. |
![]() Pringleite + Pronunciation |
![]() ![]() ICSD 76888 |
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IMA1992-010 |
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PDF 46-1428 |
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Pringleite Crystallography![]() a:b:c =0.9769:1:0.7452 |
![]() a = 12.759, b = 13.06, c = 9.733, Z = 1; alpha = 102.14°, beta = 102.03°, gamma = 85.68° V = 1,546.34 Den(Calc)= 2.12 |
![]() Triclinic - PedialH-M Symbol (1) Space Group: P1 |
![]() By Intensity(I/Io): 7.69(1), 9.21(0.7), 5.74(0.6), |
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| Physical Properties of Pringleite![]() {???} Good |
![]() Colorless, Light yellow, Orange. |
![]() 2.21 |
![]() Transparent |
![]() 3-4 - Calcite-Fluorite |
![]() Vitreous (Glassy) |
![]() white |
| Optical Properties of Pringleite![]() CI meas= 0.014 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.033 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2615,KPDmeas= 0.2496,KC= 0.2531 Ncalc = 1.53 - 1.56 ![]() Biaxial (+), a=1.537, b=1.548, g=1.57, bire=0.0330, 2V(Calc)=72, 2V(Meas)=71.4-77. |
| Calculated Properties of Pringleite![]() Bulk Density (Electron Density)=2.23 gm/cc |
note: Specific Gravity of Pringleite =2.21 gm/cc. ![]() Fermion Index = 0.02 |
Boson Index = 0.98 ![]() PEPringleite = 2.90 barns/electron |
U=PEPringleite x rElectron Density= 6.49 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Pringleite is Not Radioactive | Pringleite Classification![]() 26.05.17.01 (26)Hydrated Borates Containing Hydroxyl or Halogen |
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(26.05)Dana Type |
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(26.05.17)Pringleite Group |
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![]() 06.GD.05 06 - BORATES |
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06.G - Heptaborates and other Megaborates |
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06.GD -Mega-tektoborates |
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| Other Pringleite Information![]() NAME( AntBidBlaNic5) PHYS. PROP.(Am.Min.,Vol.79,p1011,1994) OPTIC PROP.(Am.Min.,Vol.79,p1011,1994) |
![]() Links to other databases for Pringleite : |
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 Pringleite using: Visit our Advertisers for Pringleite : A Bijoux Google Search for PringleiteAdam's Minerals Google Search for Pringleite Cape Minerals Google Search for Pringleite Dakota Matrix Minerals Google Search for Pringleite Excalibur Mineral Corp. Google Search for Pringleite Exceptional Minerals Google Search for Pringleite John Betts Fine Minerals Search for Pringleite McDougall Minerals Google Search for Pringleite Mineral News Website Link Rock and Mineral Shows Google Search for Pringleite Weinrich Minerals, Inc. Google Search for Pringleite Ask about Pringleite here : Print or Cut-and-Paste your Pringleite Specimen Label here :
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