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Arrojadite-(KFe)-Dickinsonite-(KMnNa) Series

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Abija N. Fillow Quarry (Branchville Quarry), Branchville, Redding, Fairfield Co., Connecticut, USA
© Van King

System:Monoclinic
Series Formula:
{KNa}{Fe
2+
 
[ ]}{Ca}{Na
 
2
[ ]}{Fe
2+
13
}{Al}[(OH)
 
2
|HPO
 
4
|(PO
 
4
)
 
11
]
-
{KNa}{Mn
2+
 
[ ]}{Ca}{Na
 
3
}{Mn
2+
13
}{Al}[(OH)
 
2
|(PO
 
4
)
 
12
]
A series between Arrojadite-(KFe) and Dickinsonite-(KMnNa)

Classification of Arrojadite-(KFe)-Dickinsonite-(KMnNa) Series

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Crystallography of Arrojadite-(KFe)-Dickinsonite-(KMnNa) Series

Crystal System:Monoclinic

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 Arrojadite-(KFe)-Dickinsonite-(KMnNa) Series

Reference List:Cámara, F., Oberti, R., Chopin, C., Medenbach, O. (2006): The arrojadite enigma: I. A new formula and a new model for the arrojadite structure. American Mineralogist, 91, 1249-1259

Chopin, C., Oberti, R., Cámara, F. (2006): The arrojadite enigma: II. Compositional space, new members and nomenclature of the group. American Mineralogist, 91, 1260-1270.

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