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Coskrenite-(Ce)

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Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA
© JBS 2006

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Formula:
(Ce,Nd,La)
 
2
[(SO
 
4
)
 
2
|C
 
2
O
 
4
] · 12H
 
2
O
System:TriclinicLustre:Vitreous
Name:For T. Dennis Coskren (b. 1942), American geochemist and mineralogist.
This page provides mineralogical data about Coskrenite-(Ce).

Classification of Coskrenite-(Ce)

IMA status:Approved 1996
Strunz 8th edition ID:9/A.01-110
Nickel-Strunz 10th (pending) edition ID:10.AB.65

10 : ORGANIC COMPOUNDS
A : Salts of organic acids
B : Oxalates
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Type Occurrence of Coskrenite-(Ce)

Type Locality:Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA

Physical Properties of Coskrenite-(Ce)

Lustre:Vitreous

Crystallography of Coskrenite-(Ce)

Crystal System:Triclinic

Optical Data of Coskrenite-(Ce)

Type:Biaxial (-)
RI values: nα = 1.544 nβ = 1.578 nγ = 1.602
2V:Measured: 65° , Calculated: 78°
Maximum Birefringence:δ = 0.058

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:medium

Chemical Properties of Coskrenite-(Ce)

Formula:
(Ce,Nd,La)
 
2
[(SO
 
4
)
 
2
|C
 
2
O
 
4
] · 12H
 
2
O
Essential elements:C, Ce, H, O, S
All elements listed in formula:C, Ce, H, La, Nd, O, S

Relationship of Coskrenite-(Ce) 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.30Wheatleyite
Na
 
2
Cu[C
 
2
O
 
4
]
 
2
 · 2H
 
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.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

Other Names for Coskrenite-(Ce)

Synonyms:
CoskreniteIMA1996-056
Other Languages:
German:Coskrenit
Spanish:Coskrenita

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 Coskrenite-(Ce)

Reference List:Canadian Mineralogist: 37: 1453-1462.

Internet Links for Coskrenite-(Ce)

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  • Raman and XRD data at RRUFF project
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  • Coskrenite-(Ce) details from Handbook of Mineralogy (PDF)
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    Localities for Coskrenite-(Ce)

    (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
     
    • Tennessee
      • Sevier Co.
        • Great Smoky Mts
    		Canadian Mineralogist (1999) 37, 1453-1462
    Mineral and/or Locality
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