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General Peisleyite Information |
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 Chemical Formula: |
Na3Al16(SO4)2(PO4)10(OH)17•20(H2O) | ||
| Composition: |
Molecular Weight = 2,291.95 gm | ||
| Sodium 3.01 % Na 4.06 % Na2O | |||
| Aluminum 18.84 % Al 35.59 % Al2O3 | |||
| Phosphorus 13.51 % P 30.97 % P2O5 | |||
| Hydrogen 2.51 % H 22.40 % H2O | |||
| Sulfur 2.80 % S 6.99 % SO3 | |||
| Oxygen 59.34 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Na3Al16(SO4)2(PO4)10(OH)17•20(H2O) | ||
| IMA Status: |
Approved IMA 1982 | ||
| Locality: |
Tom's quarry, near Kapunda, SA, Australia. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Vincent Peisley (1941-), Australian mineral collector who found the mineral. | ||
| Name Pronunciation: |
Peisleyite + Pronunciation  |
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Peisleyite Image | |||
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Images:
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Peisleyite Crystallography |
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| Axial Ratios: |
a:b:c =1.0546:1:1.8335 | ||
| Cell Dimensions: |
a = 13.31, b = 12.62, c = 23.14, Z = 2; beta = 110° V = 3,652.47 Den(Calc)= 2.08 | ||
| Crystal System: |
MonoclinicSpace Group: Unk | ||
| X Ray Diffraction: |
By Intensity(I/Io): 12.63(1), 5.41(0.35), 7.82(0.35), | ||
Physical Properties of Peisleyite |
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| Color: |
White. | ||
| Density: |
2.11 | ||
| Habit: |
Compact - Occurs as a compact mass. | ||
| Hardness: |
3 - Calcite | ||
| Luster: |
Earthy (Dull) | ||
| Streak: |
white | ||
Optical Properties of Peisleyite |
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| Gladstone-Dale: |
CI meas= -0.067 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= -0.082 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2452,KPDmeas= 0.2417,KC= 0.2266 Ncalc = 1.47 - 1.48 |
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| Optical Data: |
Biaxial (?), b=1.51 | ||
Calculated Properties of Peisleyite |
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| Electron Density: |
Bulk Density (Electron Density)=2.14 gm/cc note: Specific Gravity of Peisleyite =2.11 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.000498434 Boson Index = 0.999501566 |
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| Photoelectric: |
PEPeisleyite = 1.46 barns/electron U=PEPeisleyite x rElectron Density= 3.13 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Peisleyite is Not Radioactive |
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Peisleyite Classification |
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| Dana Class: |
43.05.15.01 (43)Compound Phosphates, etc. | ||
| (43.05)(Hydrated Compound Anions With Hydroxyl or Halogen) | |||
| (43.05.15)Dana Group | |||
| Strunz Class: |
08.DO.15 08 - PHOSPHATES, ARSENATES, VANADATES | ||
| 08.D - Phosphates, etc | |||
| 08.DO -With CO3, SO4, SiO4 | |||
Other Peisleyite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Peisleyite : 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 Peisleyite using: Visit our Advertisers for Peisleyite : A Bijoux Google Search for PeisleyiteAdam's Minerals Google Search for Peisleyite Cape Minerals Google Search for Peisleyite Dakota Matrix Minerals Google Search for Peisleyite Excalibur Mineral Corp. Google Search for Peisleyite Exceptional Minerals Google Search for Peisleyite John Betts Fine Minerals Search for Peisleyite McDougall Minerals Google Search for Peisleyite Mineral News Website Link Rock and Mineral Shows Google Search for Peisleyite Weinrich Minerals, Inc. Google Search for Peisleyite Ask about Peisleyite here : Print or Cut-and-Paste your Peisleyite Specimen Label here :
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