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Wheatleyite

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Wheatley Mines, Phoenixville Mining District, Schuylkill Township, Chester Co., Pennsylvania, USA
© Brent Thorne

Formula:
Na
 
2
Cu[C
 
2
O
 
4
]
 
2
 · 2H
 
2
O
System:TriclinicColour:Light blue
Hardness:1 - 2
Name:Named after its discovery locality, the Wheatley Mines, Phoenixville, Pennsylvania, USA.
This page provides mineralogical data about Wheatleyite.

Classification of Wheatleyite

IMA status:Approved 1984
Strunz 8th edition ID:9/A.01-100
Nickel-Strunz 10th (pending) edition ID:10.AB.30

10 : ORGANIC COMPOUNDS
A : Salts of organic acids
B : Oxalates
Dana 8th edition ID:50.1.8.1

50 : ORGANIC COMPOUNDS
1 : Oxalates
Hey's CIM Ref.:31.1.3

31 : Oxalates, Citrates, Mellitates and Acetates
1 : Oxalates
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Type Occurrence of Wheatleyite

Type Locality:Wheatley Mines, Phoenixville Mining District, Schuylkill Township, Chester Co., Pennsylvania, USA
Year of Discovery:1986

Physical Properties of Wheatleyite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Light blue
Hardness (Mohs):1 - 2

Crystallography of Wheatleyite

Crystal System:Triclinic
Cell Parameters:a = 7.54Å, b = 9.48Å, c = 3.58Å
α = 81.9°, β = 103.67°, γ = 107.94°
Ratio:a:b:c = 0.795 : 1 : 0.378
Unit Cell Volume:V 235.91 ų (Calculated from Unit Cell)

Optical Data of Wheatleyite

Type:Biaxial (+)
RI values: nα = 1.400 nβ = 1.499 nγ = 1.667
2V:Measured: 83° , Calculated: 84°
Maximum Birefringence:δ = 0.267

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:none

Chemical Properties of Wheatleyite

Formula:
Na
 
2
Cu[C
 
2
O
 
4
]
 
2
 · 2H
 
2
O
Essential elements:C, Cu, H, Na, O
All elements listed in formula:C, Cu, H, Na, O

Relationship of Wheatleyite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
10.AB.05Humboldtine
Fe[C
 
2
O
 
4
] · 2H
 
2
O
10.AB.05Lindbergite
Mn
2+
 
[C
 
2
O
 
4
] · 2H
 
2
O
10.AB.10Glushinskite
Mg[C
 
2
O
 
4
] · 2H
 
2
O
10.AB.15Moolooite
Cu[C
 
2
O
 
4
]·0.4H
 
2
O
10.AB.20Stepanovite
NaMgFe
3+
 
[C
 
2
O
 
4
]
 
3
 · 8-9H
 
2
O
10.AB.25Minguzzite
K
 
3
Fe
3+
 
[C
 
2
O
 
4
]
 
3
 · 3H
 
2
O
10.AB.35Zhemchuzhnikovite
NaMg(Fe
3+
 
,Al)[C
 
2
O
 
4
]
 
3
 · 8H
 
2
O
10.AB.40Weddellite
Ca[C
 
2
O
 
4
] · 2H
 
2
O
10.AB.45Whewellite
Ca[C
 
2
O
 
4
] · H
 
2
O
10.AB.50Caoxite
Ca[C
 
2
O
 
4
] · 3H
 
2
O
10.AB.55Oxammite
(NH
 
4
)
 
2
[C
 
2
O
 
4
] · H
 
2
O
10.AB.60Natroxalate
Na
 
2
[C
 
2
O
 
4
]
10.AB.65Coskrenite-(Ce)
(Ce,Nd,La)
 
2
[(SO
 
4
)
 
2
|C
 
2
O
 
4
] · 12H
 
2
O
10.AB.70Levinsonite-(Y)
(Y,Nd,La)Al(SO
 
4
)
 
2
(C
 
2
O
 
4
)·12H
 
2
O
10.AB.75Zugshunstite-(Ce)
(Ce,Nd,La)Al(SO
 
4
)
 
2
(C
 
2
O
 
4
)·12H
 
2
O
10.AB.80Novgorodovaite
Ca
 
2
[Cl
 
2
|C
 
2
O
 
4
] · 2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
31.1.1Oxammite
(NH
 
4
)
 
2
[C
 
2
O
 
4
] · H
 
2
O
31.1.2Moolooite
Cu[C
 
2
O
 
4
]·0.4H
 
2
O
31.1.4Glushinskite
Mg[C
 
2
O
 
4
] · 2H
 
2
O
31.1.5Whewellite
Ca[C
 
2
O
 
4
] · H
 
2
O
31.1.6Weddellite
Ca[C
 
2
O
 
4
] · 2H
 
2
O
31.1.7Humboldtine
Fe[C
 
2
O
 
4
] · 2H
 
2
O
31.1.8Stepanovite
NaMgFe
3+
 
[C
 
2
O
 
4
]
 
3
 · 8-9H
 
2
O
31.1.9Zhemchuzhnikovite
NaMg(Fe
3+
 
,Al)[C
 
2
O
 
4
]
 
3
 · 8H
 
2
O
31.1.10Minguzzite
K
 
3
Fe
3+
 
[C
 
2
O
 
4
]
 
3
 · 3H
 
2
O

Other Names for Wheatleyite

Synonyms:
IMA1984-040
Other Languages:
German:Wheatleyit
Spanish:Wheatleyita

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 Wheatleyite

Reference List:American Mineralogist (1986): 71: 1240-1242.

Acta Crystallographica: B36: 2145-2147.

Internet Links for Wheatleyite

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    Localities for Wheatleyite

    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.
    (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
     
    • Pennsylvania
      • Chester Co.
        • Schuylkill Township
    		MinRec 20:369-386
    Rouse, et al (1986); Am.Min.: 71 (1986): 1240; Acta Cryst.: B36 (1980): 2145.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 10th Nov 2009 02:03:57