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Pinalite

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

Show Pinalite Photos (3)
Formula:
Pb
 
3
WO
 
3
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; Tiger property; Mammoth Gold Mines Ltd. property), 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
 
3
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
PbClOH
3.DC.05Paralaurionite
PbClOH
3.DC.10Fiedlerite
Pb
 
3
Cl
 
4
F(OH)·H
 
2
O
3.DC.15Penfieldite
Pb
 
2
[OH|Cl
 
3
]
3.DC.20Laurelite
Pb(F,Cl,OH)
 
2
3.DC.25Bismoclite
BiOCl
3.DC.25Daubréeite
BiO(OH,Cl)
3.DC.25Matlockite
PbFCl
3.DC.25Rorisite
CaFCl
3.DC.25Zavaritskite
BiOF
3.DC.25Zhangpeishanite
BaFCl
3.DC.30Nadorite
PbSb[O
 
2
|Cl]
3.DC.30Perite
PbBi[O
 
2
|Cl]
3.DC.35Aravaipaite
Pb
 
3
[F
 
3
|AlF
 
6
] · H
 
2
O
3.DC.35Calcioaravaipaite
PbCa
 
2
[(F,OH)
 
3
|AlF
 
6
] · H
 
2
O
3.DC.40Thorikosite
Pb
 
3
[OH|(SbO
 
3
,AsO
 
3
)|Cl
 
2
]
3.DC.45Mereheadite
Pb
 
2
[O|OH|Cl]
3.DC.50Blixite
Pb
 
2
[(O,OH)
 
2
|Cl]
3.DC.60Symesite
Pb
 
10
[O
 
7
|SO
 
4
|Cl
 
4
] · H
 
2
O
3.DC.65Ecdemite
Pb
 
6
[As
 
2
O
 
7
|Cl
 
4
]
3.DC.65Heliophyllite
Pb
 
3
AsO
 
4-n
Cl
 
2n+1
3.DC.70Mendipite
Pb
 
3
[O
 
2
|Cl
 
2
]
3.DC.75Damaraite
Pb
 
3
[O
 
2
|OH|Cl]
3.DC.80Onoratoite
Sb
 
8
O
 
11
Cl
 
2
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
[(OH)
 
2
|WO
 
4
]
27.4.2Scheelite
Ca[WO
 
4
]
27.4.4Anthoinite
WAlO
 
3
(OH)
 
3
 (?)
27.4.5Mpororoite
AlWO
 
3
(OH)
 
3
·2H
 
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
PbWO
 
4
27.4.10Russellite
(BiO)
 
2
[WO
 
4
]
27.4.12Uranotungstite
(Fe
2+
 
,Ba,Pb)(UO
 
2
)
 
2
[(OH)
 
4
|WO
 
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
(W,Fe
3+
 
)(O,OH)
 
3
27.4.17Phyllotungstite
Ca
 
x
[(W,Fe)(O,OH)
 
3
]·yH
 
2
O
27.4.18Qitianlingite
(Fe,Mn)
 
2
(Nb,Ta)
 
2
WO
 
10

Other Names for Pinalite

Synonyms:
IMA1988-025
German names:
Pinalit
Russian names:
Пиналит
Spanish names:
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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    Localities for Pinalite

    Hide Locality List
    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.
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    (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.
        • Santa Teresa Mts
          • Aravaipa District
            • Klondyke
              • Grand Reef area
                • 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.
    Mineral and/or Locality
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