Peisleyite Mineral Data

Peisleyite Mineral Data
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General Peisleyite Information

Help on Chemical Formula: Chemical Formula: Na3Al16(SO4)2(PO4)10(OH)17•20(H2O)
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: Na3Al16(SO4)2(PO4)10(OH)17•20(H2O)
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Tom's quarry, near Kapunda, SA, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Vincent Peisley (1941-), Australian mineral collector who found the mineral.
Help on Name Pronunciation: Name Pronunciation: Peisleyite + Pronunciation Say PEISLEYITE
 

Peisleyite Image

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Peisleyite

Comments: Off-white opaque porcelaneous peisleyite mass.
Location: Tom's Phosphate Quarry, near Kapunda, South Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Peisleyite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0546:1:1.8335
Help on Cell Dimensions: Cell Dimensions: a = 13.31, b = 12.62, c = 23.14, Z = 2; beta = 110° V = 3,652.47 Den(Calc)= 2.08
Help on Crystal System: Crystal System: MonoclinicSpace Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 12.63(1), 5.41(0.35), 7.82(0.35),
 

Physical Properties of Peisleyite

Help on Color: Color: White.
Help on Density: Density: 2.11
Help on Habit: Habit: Compact - Occurs as a compact mass.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: white
 

Optical Properties of Peisleyite

Help on Gladstone-Dale: 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
Help on Optical Data: Optical Data: Biaxial (?), b=1.51
 

Calculated Properties of Peisleyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.14 gm/cc
note: Specific Gravity of Peisleyite =2.11 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.000498434
Boson Index = 0.999501566
Help on Photoelectric: Photoelectric: PEPeisleyite = 1.46 barns/electron
U=PEPeisleyite x rElectron Density= 3.13 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Peisleyite is Not Radioactive
 

Peisleyite Classification
Help on Dana Class: Dana Class: 43.05.15.01 (43)Compound Phosphates, etc.
  (43.05)(Hydrated Compound Anions With Hydroxyl or Halogen)
  (43.05.15)Dana Group
 
43.05.15.01 Peisleyite Na3Al16(SO4)2(PO4)10(OH)17•20(H2O) Unk Mono
Help on Strunz Class: Strunz Class: 08.DO.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DO -With CO3, SO4, SiO4
 
08.DO.15 Peisleyite Na3Al16(SO4)2(PO4)10(OH)17•20(H2O) Unk Mono
 

Other Peisleyite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: 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

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Peisleyite

Na3Al16(SO4)2(PO4)10(OH)17•20(H2O)
Dana No: 43.05.15.01 Strunz No: 08.DO.15
Locality:

 

Notes: