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⇱ Pattersonite: Mineral information, data and localities.

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Pattersonite

A valid IMA mineral species
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About PattersoniteHide

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👁 01912920017272471077298.jpg
Arthur Lindo Patterson
Formula:
PbFe3+3(PO4)2(OH)5 · H2O
Colour:
Dark yellow
Lustre:
Adamantine
Hardness:
4
Specific Gravity:
4.04
Crystal System:
Triclinic
Name:
Named for Arthur Lindo Patterson (23 July 1902, Nelson, New Zealand - 6 November 1966, Philadelphia, Pennsylvania, USA), innovative crystallographer who devised the well-known Patterson method (Patterson function) used in crystal-structure determination. He held British, Canadian, and American citizenship.
Dimorphous with Kintoreite.


Unique IdentifiersHide

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Mindat ID:
28951
Long-form identifier:
mindat:1:1:28951:5

Similar NamesHide

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Petersenite-(Ce)A valid IMA mineral speciesNa4(Ce,La,Nd)2(CO3)5

IMA Classification of PattersoniteHide

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Approved
IMA Formula:
PbFe3(PO4)2(OH)5 · H2O
Approval year:
2005
First published:
2008

Classification of PattersoniteHide

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8.BL.25

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
L : With medium-sized and large cations, (OH, etc.):RO4 = 3:1

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
PattIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of PattersoniteHide

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Adamantine
Transparency:
Translucent
Colour:
Dark yellow
Streak:
Very pale yellow
Hardness:
Hardness:
VHN100=530(80) - Vickers
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
one poor cleavage of unknown orientation
Fracture:
Conchoidal
Density:
4.04 g/cm3 (Measured)    4.17 g/cm3 (Calculated)

Optical Data of PattersoniteHide

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Type:
Biaxial (-)
RI values:
nα = 1.86(1) nβ = 1.917 nγ = 1.93(1)
2V:
Measured: 50° (5)
Max. Birefringence:
δ = 0.070
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.

Surface Relief:
Moderate
Dispersion:
Very strong (r > v)
Pleochroism:
Weak
Comments:
X = nearly colorless to very pale yellow, Y = pale yellow to yellow, Z = yellow to dark yellow (depending on grain size), with Z > Y > X

Chemistry of PattersoniteHide

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Mindat Formula:
PbFe3+3(PO4)2(OH)5 · H2O
Element Weights:
Element% weight
O33.545 %
Pb31.031 %
Fe25.090 %
P9.277 %
H1.057 %

Calculated from ideal end-member formula.

Crystallography of PattersoniteHide

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Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 5.309(1) Å, b = 7.211(1) Å, c = 7.349 Å
α = 87.74(3)°, β = 86.38(3)°, γ = 71.40(3)°
Ratio:
a:b:c = 0.736 : 1 : 1.019
Unit Cell V:
266.06 ų
Z:
1
Morphology:
Tabular (pinacoidal) to platy. Forms include {110} (dominant platy form), {100}, {001} and minor {011}, {0–11}, {–101}. In general, all forms are poorly developed. The crystals are slightly elongated along [001].

Single crystals are rare; it tends to form subparallel to rosette-like intergrowths.
Twinning:
None observed

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0007260PattersoniteKolitsch U, Bernhardt H-J, Krause W, Blass G (2008) Pattersonite, PbFe3(PO4)2(OH)4[(H2O)0.5(OH)0.5]2, a new supergene phosphate mineral: description and crystal structure European Journal of Mineralogy 20 281-2882008Grube Vereinigung, near Eisenbach, Taunus, Hesse, Germany0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:
d-spacingIntensity
4.848 Å(100)
6.839 Å(64)
3.547 Å(57)
3.417 Å(52)
3.022 Å(51)
3.667 Å(47)
2.8339 Å(45)

Geological EnvironmentHide

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Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47c : [Carbonates, phosphates, borates, nitrates]

Type Occurrence of PattersoniteHide

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General Appearance of Type Material:
Indistinct tabular (pinacoidal) crystals up to 0.5 mm in size, which tend to form subparallel to rosette-like intergrowths
Place of Conservation of Type Material:
Natural History Museum Vienna, Austria; cat. no. N 8161.
Geological Setting of Type Material:
Supergene mineral in a lead-silver deposit
Associated Minerals at Type Locality:

Synonyms of PattersoniteHide

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Other Language Names for PattersoniteHide

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Simplified Chinese:帕特森石

Common AssociatesHide

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Associations Based on Photo Data:
5 photos of Pattersonite associated with 'Limonite'
3 photos of Pattersonite associated with PyromorphitePb5(PO4)3Cl
2 photos of Pattersonite associated with GoethiteFe3+O(OH)
1 photo of Pattersonite associated with KintoreitePbFe3(PO4)(PO3OH)(OH)6

Related Minerals - Strunz-mindat GroupingHide

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8.BL.KiryuiteNaMnAl(PO4)F3Mon. 2/m : P21/m
8.BL.MetaheimitePbCu2(AsO4)(OH)3Mon. 2/m : P21/b
8.BL.Graulichite-(La)LaFe3+3(AsO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.ClouditeBaFe3+3(PO4)(SO4)(OH)6Trig. 3m(32/m) : R3m
8.BL.OberwolfachiteSrFe3+3(AsO4)(SO4)(OH)6Trig. 3m(32/m) : R3m
8.BL.ArsenobenauiteSrFe3+3(AsO4)(AsO3OH)(OH)6Trig. 3m(32/m) : R3m
8.BL.05GallobeudantitePbGa3(AsO4)(SO4)(OH)6Trig. 3m : R3m
8.BL.05SlottaiteSrFe3+3(PO4)(SO4)(OH)6Trig. 3m(32/m) : R3m
8.BL.05CorkitePbFe3+3(PO4)(SO4)(OH)6Trig. 3m(32/m) : R3m
8.BL.05HidalgoitePbAl3(AsO4)(SO4)(OH)6Trig. 3m : R3m
8.BL.05HinsdalitePbAl3(PO4)(SO4)(OH)6Trig. 3m(32/m) : R3m
8.BL.05'UM2011-07-POSO:AlBaH'BaAl3(PO4)(SO4)(OH)6
8.BL.05KemmlitziteSrAl3(AsO4)(SO4)(OH)6Trig. 3m(32/m) : R3m
8.BL.05BeudantitePbFe3+3(AsO4)(SO4)(OH)6Trig. 3m(32/m) : R3m
8.BL.05WeileriteBaAl3(AsO4)(SO4)(OH)6Hex.
8.BL.05WoodhouseiteCaAl3(PO4)(SO4)(OH)6Trig. 3m(32/m) : R3m
8.BL.05SvanbergiteSrAl3(PO4)(SO4)(OH)6Trig. 3m(32/m) : R3m
8.BL.10SegnititePbFe3+3AsO4(AsO3OH)(OH)6Trig. 3m(32/m) : R3m
8.BL.10ArsenogoyaziteSrAl3(AsO4)(AsO3OH)(OH)6Trig. 3m(32/m) : R3m
8.BL.10ArsenogorceixiteBaAl3(AsO4)(AsO3OH)(OH)6Trig. 3m(32/m) : R3m
8.BL.10DussertiteBaFe3+3(AsO4)(AsO3OH)(OH)6Trig. 3m(32/m) : R3m
8.BL.10GalloplumbogummitePb(Ga,Al,Ge)3(PO4)2(OH)6Trig. 3m : R3m
8.BL.10StibiosegnititePb(Fe3+2.5Sb5+0.5)(AsO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.10 va'Viséite'
8.BL.10ArsenocrandalliteCaAl3(AsO4)(AsO3OH)(OH)6Trig. 3m(32/m)
8.BL.10BenauiteSrFe3+3(PO4)(PO3OH)(OH)6Trig. 3m(32/m) : R3m
8.BL.10PhilipsbornitePbAl3(AsO4)(AsO3OH)(OH)6Trig. 3m(32/m) : R3m
8.BL.10CrandalliteCaAl3(PO4)(PO3OH)(OH)6Trig. 3m(32/m) : R3m
8.BL.10SpringcreekiteBaV3+3(PO4)2(OH,H2O)6Trig. 3m(32/m) : R3m
8.BL.10EylettersiteTh0.75Al3(PO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.10KintoreitePbFe3(PO4)(PO3OH)(OH)6Trig. 3m(32/m) : R3m
8.BL.10PlumbogummitePbAl3(PO4)(PO3OH)(OH)6Trig. 3m(32/m) : R3m
8.BL.10GorceixiteBaAl3(PO4)(PO3OH)(OH)6Mon. m : Bm
8.BL.10GoyaziteSrAl3(PO4)(PO3OH)(OH)6Trig. 3m(32/m) : R3m
8.BL.13Florencite-(Ce)CeAl3(PO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.13Florencite-(La)LaAl3(PO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.13Florencite-(Nd)NdAl3(PO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.13ZaïriteBiFe3+3(PO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.13Arsenoflorencite-(La)LaAl3(AsO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.13'Arsenoflorencite-(Nd)'NdAl3(AsO4)2(OH)6Trig.
8.BL.13'Unnamed (As-analogue of Zaïrite)'(Bi,Pb)Fe3+3(AsO4)2(OH)6
8.BL.13Arsenoflorencite-(Ce)CeAl3(AsO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.13Graulichite-(Ce)CeFe3+3(AsO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.13'Arsenowaylandite'BiAl3(AsO4)2(OH)6Trig.
8.BL.13WaylanditeBiAl3(PO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.13Florencite-(Sm)SmAl3(PO4)2(OH)6Trig. 3m(32/m) : R3m
8.BL.15ViitaniemiiteNa(Ca,Mn2+)Al(PO4)(F,OH)3Mon. 2/m : P21/m

Fluorescence of PattersoniteHide

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Other InformationHide

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Notes:
Insoluble in cold 1:1 HCl.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for PattersoniteHide

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mindat.org URL:
https://www.mindat.org/min-28951.html
Please feel free to link to this page.

References for PattersoniteHide

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Localities for PattersoniteHide

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Showing 2 localities.

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

Locality ListHide

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👁 Image
- This locality has map coordinates listed. 👁 Image
- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 👁 Image
- Good crystals or important locality for species. 👁 Image
- 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Germany (TL)
  • Hesse
    • Giessen Region
      • Limburg-Weilburg
        • Selters
          • Eisenbach
Kolitsch et al. (2008) +1 other reference
  • Rhineland-Palatinate
    • Altenkirchen
      • Altenkirchen-Flammersfeld
        • Bürdenbach
Golze et al. (2013)
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