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Meta-autunite Group

Formula:
A(UO
 
2
)
 
2
(XO
 
4
)
 
2
·nH
 
2
O (n = 6, 7 or 8)
Name:After the prominent member of the group.


A = Cu, Ca, Ba, or Mg and X = P or As.

A group of layer structured uranyl phosphates and arsenates.
See also Autunite Group.


Classification of Meta-autunite Group

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Chemical Properties of Meta-autunite Group

Formula:
A(UO
 
2
)
 
2
(XO
 
4
)
 
2
·nH
 
2
O (n = 6, 7 or 8)

Relationship of Meta-autunite Group to other Species

Minerals in Group:
Abernathyite:
K
 
2
(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 6H
 
2
O
Bassetite:
Fe
2+
 
(UO
 
2
)
 
2
[PO
 
4
]
 
2
 · 8H
 
2
O
Chernikovite:
(H
 
3
O)
 
2
(UO
 
2
)
 
2
[PO
 
4
]
 
2
 · 6H
 
2
O
Lehnerite:
Mn
2+
 
(UO
 
2
)
 
2
[PO
 
4
]
 
2
 · 8H
 
2
O
Meta-ankoleite:
K
 
2
(UO
 
2
)
 
2
[PO
 
4
]
 
2
 · 6H
 
2
O
Meta-autunite:
Ca(UO
 
2
)
 
2
[PO
 
4
]
 
2
· 6-8H
 
2
O
Metaheinrichite:
Ba(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 8H
 
2
O
Metakahlerite:
Fe
2+
 
(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 8H
 
2
O
Metakirchheimerite:
Co(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 8H
 
2
O
Metalodèvite:
Zn(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 10H
 
2
O
Metanováčekite:
Mg(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 4-8H
 
2
O
Metatorbernite:
Cu(UO
 
2
)
 
2
[PO
 
4
]
 
2
 · 8H
 
2
O
Metauranocircite:
Ba(UO
 
2
)
 
2
[PO
 
4
]
 
2
 · 7H
 
2
O
Metauranospinite:
Ca(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 8H
 
2
O
Metazeunerite:
Cu(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 8H
 
2
O
Natrouranospinite:
(Na
 
2
,Ca)(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 5H
 
2
O
Pseudo-autunite:
(H
 
3
O)
 
4
Ca
 
2
(UO
 
2
)
 
2
[PO
 
4
]
 
4
 · 5H
 
2
O (?)
Sodium Meta-autunite:
Na
 
2
(UO
 
2
)
 
2
[PO
 
4
]
 
2
 · 6-8H
 
2
O
Ulrichite:
CaCu(UO
 
2
)[PO
 
4
]
 
2
 · 4H
 
2
O
Uramarsite:
(NH
 
4
,H
 
3
O)
 
2
(UO
 
2
)
 
2
[(AsO
 
4
,PO
 
4
)]
 
2
 · 6H
 
2
O
Uramphite:
(NH
 
4
)
 
2
(UO
 
2
)
 
2
[PO
 
4
]
 
2
 · 6H
 
2
O

Other Names for Meta-autunite Group

Synonyms:
Metatorbernite Group
Other Languages:

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 Meta-autunite Group

Reference List:Hallimond (1916) Mineralogical Magazine: 17: 326.

Hallimond (1920) Mineralogical Magazine: 19: 43.

Fairchild (1929) American Mineralogist: 14: 265.

Beintema (1938) Recueil des travaux chimiques des Pays-Bas et de la Belgique, Leyden: 57: 155.

Weiss-Frondel (1951) American Mineralogist: 36: 249.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 980-981 (as Metatorbernite Group).

Internet Links for Meta-autunite Group

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