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Peisleyite

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About PeisleyiteHide

Vincent Peisley
Formula:
Na2Al9[(P,S)O4]8(OH)6•28H2O
Colour:
White
Lustre:
Dull
Hardness:
3
Specific Gravity:
2.20
Crystal System:
Triclinic
Name:
Named by E. S. Pilkington, E. R. Segnit, and J. A. Watts in 1982 in honor of Vincent Peisley (b. 1941), mineral collector from Brahma Lodge, Australia who collected the first specimens.
This page provides mineralogical data about Peisleyite.


Classification of PeisleyiteHide

Approved
Approval Year:
1981
First Published:
1982
8.DO.15

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
O : With CO3, SO4, SiO4
43.5.15.1

43 : COMPOUND PHOSPHATES, ETC.
5 : Hydrated Compound Phosphates, etc·, Containing Hydroxyl or Halogen
22.3.5

22 : Phosphates, Arsenates or Vanadates with other Anions
3 : Phosphates, arsenates or vanadates with sulphates

Physical Properties of PeisleyiteHide

Colour:
White
Hardness:
Density:
2.20 g/cm3 (Measured)    2.23 g/cm3 (Calculated)

Optical Data of PeisleyiteHide

Type:
Biaxial
Dispersion:
none
Comments:
average RI ~1.510

Chemical Properties of PeisleyiteHide

Formula:
Na2Al9[(P,S)O4]8(OH)6•28H2O
IMA Formula:
Na3Al16(PO4)10(SO4)2(OH)17 · 20H2O

Crystallography of PeisleyiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pedial
Space Group:
P1
Cell Parameters:
a = 9.280(19) Å, b = 11.976(19) Å, c = 13.250(18) Å
α = 91.3(1)°, β = 75.6(1)°, γ = 67.67(1)°
Ratio:
a:b:c = 0.775 : 1 : 1.106
Unit Cell V:
1,308.02 ų (Calculated from Unit Cell)
Z:
4
Morphology:
very small flakes about 2 μm in diameter

Type Occurrence of PeisleyiteHide

General Appearance of Type Material:
White earthy material.
Place of Conservation of Type Material:
National Museum of Victoria (Cat. No. M35630).
Associated Minerals at Type Locality:
Reference:
Pilkington, E.S., Segnit, E.R., Watts, J.A. (1982) Peisleyite, a new sodium aluminium sulphate phosphate. Mineralogical Magazine: 46(341): 449-452.

Synonyms of PeisleyiteHide

Other Language Names for PeisleyiteHide

German:Peisleyit
Spanish:Peisleyita

Related Minerals - Nickel-Strunz GroupingHide

8.DO.05GirvasiteNaCa2Mg3(PO4)3(CO3)(H2O)6Mon. 2/m : P21/b
8.DO.10VoggiteNa2Zr(PO4)(CO3)(OH) · 2H2OMon.
8.DO.20PerhamiteCa3Al7.7Si3P4O23.5(OH)14.1 · 8H2OTrig. 3m (3 2/m) : P3m1
8.DO.20KrásnoiteCa3Al7.7Si3P4O23.5(OH)12.1F2 · 8H2OTrig. 3m (3 2/m) : P3m1
8.DO.25Saryarkite-(Y)Ca(Y,Th)Al5(SiO4)2(PO4,SO4)2(OH)7 · 6H2OTet. 4 2 2
8.DO.30Micheelsenite(Ca,Y)3Al(HPO4,CO3)(CO3)(OH)6 · 12H2OHex.
8.DO.40Parwanite(Na,K)(Mg,Ca)4Al8(PO4)8(CO3)(OH)7 · 30H2OMon. 2 : P2
8.DO.45SkorpioniteCa3Zn2(PO4)2(CO3)(OH)2 · H2OMon. 2/m : B2/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

22.3.1ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2OOrth. mm2 : Pmn21
22.3.2ArdealiteCa2(HPO4)(SO4) · 4H2OMon. m : Bb
22.3.3Machatschkiite(Ca,Na)6(AsO4)(HAsO4)3(PO4,SO4) · 15H2OHex.
22.3.4ClinotyroliteCa2Cu9(AsO4,SO4)4(OH,O)10 · 10H2OMon.
22.3.6ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2OTrig. 3 : R3
22.3.7WoodhouseiteCaAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
22.3.8Schlossmacherite(H3O)Al3(SO4)2(OH)6Trig.
22.3.9SvanbergiteSrAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
22.3.10KemmlitziteSrAl3(AsO4)(SO4)(OH)6Trig.
22.3.11SanjuaniteAl2(PO4)(SO4)(OH) · 9H2O
22.3.12KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2OTric. 1 : P1
22.3.13HotsoniteAl11(SO4)3(PO4)2(OH)21 · 16H2OTric.
22.3.14WeileriteBaAl3(AsO4)(SO4)(OH)6
22.3.15TsumebitePb2Cu(PO4)(SO4)(OH)Mon. 2/m : P21/m
22.3.16ArsentsumebitePb2Cu(AsO4)(SO4)(OH)Mon. 2/m : P21/m
22.3.17HinsdalitePbAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
22.3.18HidalgoitePbAl3(AsO4)(SO4)(OH)6Trig.
22.3.19OrpheitePbAl3(PO4)(SO4)(OH)6Trig.
22.3.20CoconinoiteFe3+2Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2OMon.
22.3.21Sasaite(Al,Fe3+)14(PO4)11(SO4)(OH)7 · 83H2OOrth.
22.3.22Tristramite(Ca,U,Fe)(PO4,SO4) · 2H2OHex.
22.3.23CorkitePbFe3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
22.3.24BeudantitePbFe3(AsO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
22.3.25DiadochiteFe3+2(PO4)(SO4)(OH) · 5H2OAmor.
22.3.26SarmientiteFe3+2(AsO4)(SO4)(OH) · 5H2OMon. 2/m : P21/b
22.3.27BukovskýiteFe3+2(AsO4)(SO4)(OH) · 9H2OTric. 1 : P1
22.3.28ZýkaiteFe3+4(AsO4)3(SO4)(OH) · 15H2OOrth.
22.3.29TooeleiteFe3+6(As3+O3)4(SO4)(OH)4 · 4H2OMon. 2/m : B2/m
22.3.30Pitticite(Fe, SO4, AsO4, H2O) ?Amor.
22.3.31Xiangjiangite(Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2OTet.

Other InformationHide

Notes:
Soluble in mineral acids.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for PeisleyiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Pilkington, E.S., Segnit, E.R., Watts, J.A. (1982) Peisleyite, a new sodium aluminium sulphate phosphate. Mineralogical Magazine: 46(341): 449-452.
American Mineralogist (1983): 68: 849-850.
Frost, R.L., Mills, S.J., Erickson, K.L. (2004) Thermal decomposition of peisleyite: a thermogravimetry and hot stage Raman spectroscopic study. Thermochimica Acta: 419(1-2): 109-114.
Mills, S.J., Ma, C., Birch, W.D. (2011) A contribution to understanding the complex nature of peisleyite. Mineralogical Magazine: 75: 2733-2737.

Internet Links for PeisleyiteHide

Localities for PeisleyiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia (TL)
 
  • South Australia
    • Mt Lofty Ranges
      • North Mt Lofty Ranges
        • Kapunda
Pilkington, E. S., Segnit, E. R., & Watts, J. A. (1982). Peisleyite, a new sodium aluminium sulphate phosphate. Mineralogical Magazine, 46(341), 449-452.
Mineral and/or Locality  
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