Peisleyite Mineral Data (original) (raw)

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

Click Here for Larger Peisleyite Image in a New Browser Window Images:

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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Print or Cut-and-Paste your Peisleyite Specimen Label here :

Peisleyite

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

Notes: