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Pinalite

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Big Photo

Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA
© 2004 Bruce Murphy

Show Pinalite Photos (5)



Formula:
Pb
 
3
WO
 
5
Cl
 
2
System:OrthorhombicColour:Yellow
Lustre:Adamantine
Name:For Pinal Co., Arizona, USA, in which the type locality is situated.
This page provides mineralogical data about Pinalite.

Classification of Pinalite

IMA status:Approved 1988
Strunz 8th edition ID:3/D.10-160
Nickel-Strunz 10th (pending) edition ID:3.DC.55

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
Dana 8th edition ID:10.2.9.1

10 : OXYHALIDES AND HYDROXYHALIDES
2 : A(O,OH)Xq
Hey's CIM Ref.:27.4.11

27 : Sulphites, Chromates, Molybdates and Tungstates
4 : Tungstates
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Type Occurrence of Pinalite

Type Locality:Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA
Year of Discovery:1989

Physical Properties of Pinalite

Lustre:Adamantine
Colour:Yellow

Crystallography of Pinalite

Crystal System:Orthorhombic
Cell Parameters:a = 11.07Å, b = 13.08Å, c = 5.62Å
Ratio:a:b:c = 0.846 : 1 : 0.43
Unit Cell Volume:V 813.75 ų (Calculated from Unit Cell)

Optical Data of Pinalite

Type:Biaxial (+)
RI values: nα = 2.490 nβ = 2.495 nγ = 2.505
2V:Measured: 70° to 70.5°, Calculated: 72°
Maximum Birefringence:δ = 0.015

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v moderate

Chemical Properties of Pinalite

Formula:
Pb
 
3
WO
 
5
Cl
 
2
Essential elements:Cl, O, Pb, W
All elements listed in formula:Cl, O, Pb, W

Relationship of Pinalite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.DC.05Laurionite
PbCl(OH)
3.DC.05Paralaurionite
PbCl(OH)
3.DC.10Fiedlerite
Pb
 
3
FCl
 
4
(OH) · H
 
2
O
3.DC.15Penfieldite
Pb
 
2
Cl
 
3
(OH)
3.DC.20Laurelite
Pb
 
7
F
 
12
Cl
 
2
3.DC.25Bismoclite
(BiO)Cl
3.DC.25Daubréeite
(BiO)(OH,Cl)
3.DC.25Matlockite
PbFCl
3.DC.25Rorisite
CaFCl
3.DC.25Zavaritskite
(BiO)F
3.DC.25Zhangpeishanite
BaFCl
3.DC.30Nadorite
PbSbClO
 
2
3.DC.30Perite
PbBiClO
 
2
3.DC.35Aravaipaite
Pb
 
3
F
 
3
[AlF
 
6
] · H
 
2
O
3.DC.37Calcioaravaipaite
PbCa
 
2
(F,OH)
 
3
[AlF
 
6
] · H
 
2
O
3.DC.40Thorikosite
Pb
 
3
Cl
 
2
(OH)(SbO
 
3
,AsO
 
3
)
3.DC.45Mereheadite
Pb
 
47
Cl
 
25
(OH)
 
13
O
 
24
(CO
 
3
)(BO
 
3
)
 
2
3.DC.50Blixite
Pb
 
2
(O,OH)
 
2
Cl
3.DC.60Symesite
Pb
 
10
Cl
 
4
O
 
7
(SO
 
4
) · H
 
2
O
3.DC.65Ecdemite
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
3.DC.65Heliophyllite
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
3.DC.70Mendipite
Pb
 
3
Cl
 
2
O
 
2
3.DC.75Damaraite
Pb
 
3
Cl(OH)O
 
2
3.DC.80Onoratoite
Sb
 
8
Cl
 
2
O
 
11
3.DC.85Cotunnite
PbCl
 
2
3.DC.90Pseudocotunnite
K
 
2
PbCl
 
4
3.DC.95Barstowite
Pb
 
4
Cl
 
6
(CO
 
3
) · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
27.4.1Cuprotungstite
Cu
 
2
(WO
 
4
)(OH)
 
2
27.4.2Scheelite
Ca(WO
 
4
)
27.4.4Anthoinite
AlWO
 
3
(OH)
 
3
27.4.5Mpororoite
Al
 
2
(WO
 
4
)
 
2
O · 6H
 
2
O
27.4.6Yttrotungstite-(Y)
YW
 
2
O
 
6
(OH)
 
3
27.4.7Yttrotungstite-(Ce)
(Ce,Nd,Y)W
 
2
O
 
6
(OH)
 
3
27.4.8Stolzite
Pb(WO
 
4
)
27.4.9Raspite
Pb(WO
 
4
)
27.4.10Russellite
Bi
 
2
WO
 
6
27.4.12Uranotungstite
(Fe
2+
 
,Ba,Pb)(UO
 
2
)
 
2
(WO
 
4
)(OH)
 
4
 · 12H
 
2
O
27.4.13Hübnerite
MnWO
 
4
27.4.14Ferberite
FeWO
 
4
27.4.15Wolframite
(Fe
2+
 
)WO
 
4
 
 
to (Mn
2+
 
)WO
 
4
27.4.16Ferritungstite
27.4.17Phyllotungstite
(H
 
2
O,M)
 
x
(W,Fe)(O,OH)
 
3
 · yH
 
2
O (M = Ca, Cs, Pb or K)
27.4.18Qitianlingite
(Fe,Mn)
 
2
(Nb,Ta)
 
2
WO
 
10

Other Names for Pinalite

Synonyms:
IMA1988-025
Other Languages:
German:Pinalit
Russian:Пиналит
Spanish:Pinalita

Other Information

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

References for Pinalite

Reference List:

- +
Dunn, P.J., et al (1989), Pinalite, a new lead tungstate chloride mineral from the Mammoth mine, Pinal Co., AZ, American Mineralogist: 74: 934-935.

Internet Links for Pinalite

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  • Raman and XRD data at RRUFF project
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    • Localities for Pinalite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    USA
     
    • Arizona
      • Graham Co.
        • Aravaipa District
          • Santa Teresa Mts
            • Klondyke
              • Grand Reef Mountain
                • Laurel Canyon
    		No reference listed
      • Pinal Co.
        • Mammoth District
          • Tiger
            • St. Anthony deposit
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 329; Dunn, P.J., et al (1989), Pinalite, a new lead tungstate chloride mineral from the Mammoth mine, Pinal Co., AZ, Am.Min.: 74: 934-935.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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