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Arsenuranylite

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Cherkasar U Deposit, Pap, Chatkal-Kuraminskii Range, Namangan Viloyati, Uzbekistan
© Pavel M. Kartashov

Show Arsenuranylite Photos (3)
Formula:
Ca(UO
 
2
)
 
4
[(OH)
 
2
|AsO
 
4
]
 
2
 · 6H
 
2
O
System:OrthorhombicColour:Orange
This page provides mineralogical data about Arsenuranylite.

Classification of Arsenuranylite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/E.07-50
Nickel-Strunz 10th (pending) edition ID:8.EC.10

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
C : UO2:RO4 = 3:2
Dana 8th edition ID:42.4.9.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
4 : (AB)5(XO4)2Zq·xH2O
Hey's CIM Ref.:20.7.8

20 : Arsenates (also arsenates with phosphate, but without other anions)
7 : Arsenates of U
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Type Occurrence of Arsenuranylite

Type Locality:Cherkasar U Deposit, Pap, Chatkal-Kuraminskii Range, Namangan Viloyati, Uzbekistan
Year of Discovery:1958

Physical Properties of Arsenuranylite

Colour:Orange

Crystallography of Arsenuranylite

Crystal System:Orthorhombic
Cell Parameters:a = 15.4Å, b = 17.4Å, c = 13.77Å
Ratio:a:b:c = 0.885 : 1 : 0.791
Unit Cell Volume:V 3,689.81 ų (Calculated from Unit Cell)

Optical Data of Arsenuranylite

Type:Biaxial (-)
RI values: nα = 1.738 nβ = 1.761 nγ = 1.774
Maximum Birefringence:δ = 0.036

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r > v moderate

Chemical Properties of Arsenuranylite

Formula:
Ca(UO
 
2
)
 
4
[(OH)
 
2
|AsO
 
4
]
 
2
 · 6H
 
2
O
Essential elements:As, Ca, H, O, U
All elements listed in formula:As, Ca, H, O, U

Relationship of Arsenuranylite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.EC.05Françoisite-(Nd)
(Nd,Ce,Sm)(UO
 
2
)
 
3
[O|OH|(PO
 
4
)
 
2
] · 6H
 
2
O
8.EC.05Phuralumite
Al
 
2
(UO
 
2
)
 
3
[(OH)
 
2
|(PO
 
4
)
 
3
] · 13H
 
2
O
8.EC.05Upalite
Al(UO
 
2
)
 
3
(PO
 
4
)
 
2
O(OH)·7H
 
2
O
8.EC.05Françoisite-(Ce)
(Ce,Nd,Ca)[(UO
 
2
)
 
3
O(OH)(PO
 
4
)
 
2
]·6H
 
2
O
8.EC.10Dewindtite
Pb(UO
 
2
)
 
3
[OH|PO
 
4
]
 
2
 · 3H
 
2
O
8.EC.10Kivuite
H
 
2
Th(UO
 
2
)
 
3
[O|OH|(PO
 
4
)
 
2
] · 6H
 
2
O (?)
8.EC.10Phosphuranylite
(H
 
3
O)
 
3
KCa(UO
 
2
)
 
7
[O|PO
 
4
]
 
4
 · 8H
 
2
O
8.EC.10Yingjiangite
K
 
2
Ca(UO
 
2
)
 
7
(PO
 
4
)
 
4
(OH)
 
6
 · 6H
 
2
O
8.EC.10Renardite
8.EC.15Dumontite
Pb
 
2
(UO
 
2
)
 
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 3H
 
2
O
8.EC.15Hügelite
Pb
 
2
(UO
 
2
)
 
3
[O|AsO
 
4
]
 
2
 · 5H
 
2
O
8.EC.20Metavanmeersscheite
U
4+
 
(UO
 
2
)
 
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 2H
 
2
O
8.EC.20Vanmeersscheite
U
4+
 
(UO
 
2
)
 
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 4H
 
2
O
8.EC.20Arsenovanmeersscheite
U
4+
 
(UO
 
2
)
 
3
(AsO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.EC.25Althupite
AlTh(UO
 
2
)
 
7
[O
 
2
|(OH)
 
5
|(PO
 
4
)
 
4
] · 15H
 
2
O
8.EC.30Mundite
Al(UO
 
2
)
 
3
[(OH)
 
3
|(PO
 
4
)
 
2
] · 5.5H
 
2
O
8.EC.35Phurcalite
Ca
 
2
(UO
 
2
)
 
3
[O|PO
 
4
]
 
2
 · 7H
 
2
O
8.EC.40Bergenite
Ca
 
2
Ba
 
4
[(UO
 
2
)
 
3
O
 
2
(PO
 
4
)
 
2
]
 
3
·16H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
20.7.1Trögerite
(UO
 
2
)
 
3
(AsO
 
4
)
 
2
·12H
 
2
O (?)
20.7.2Natrouranospinite
(Na
 
2
,Ca)(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 5H
 
2
O
20.7.3Abernathyite
K
 
2
(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 6H
 
2
O
20.7.4Metazeunerite
Cu(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 8H
 
2
O
20.7.5Zeunerite
Cu(UO
 
2
)
 
2
(AsO
 
4
)
 
2
·12H
 
2
O
20.7.6Metanováčekite
Mg(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 4-8H
 
2
O
20.7.7Nováčekite-I
Mg(UO
 
2
)
 
2
(AsO
 
4
)
 
2
·12H
 
2
O
20.7.9Metauranospinite
Ca(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 8H
 
2
O
20.7.10Uranospinite
Ca(UO
 
2
)(AsO
 
4
)
 
2
·10H
 
2
O
20.7.11Metaheinrichite
Ba(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 8H
 
2
O
20.7.12Heinrichite
Ba(UO
 
2
)
 
2
(AsO
 
4
)
 
2
·10H
 
2
O
20.7.13Metalodèvite
Zn(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 10H
 
2
O
20.7.14Arsenuranospathite
HAl(UO
 
2
)
 
4
(AsO
 
4
)
 
4
·40H
 
2
O
20.7.15Hallimondite
Pb
 
2
(UO
 
2
)[AsO
 
4
]
 
2
 · nH
 
2
O, 0 ≤ n ≤ 0.5
20.7.16Hügelite
Pb
 
2
(UO
 
2
)
 
3
[O|AsO
 
4
]
 
2
 · 5H
 
2
O
20.7.17Asselbornite
Pb(UO
 
2
)
 
4
(BiO)
 
3
(AsO
 
4
)
 
2
(OH)
 
7
·4H
 
2
O
20.7.18Metakahlerite
Fe
2+
 
(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 8H
 
2
O
20.7.19Kahlerite
Fe(UO
 
2
)
 
2
(AsO
 
4
)
 
2
·12H
 
2
O
20.7.20Metakirchheimerite
Co(UO
 
2
)
 
2
[AsO
 
4
]
 
2
 · 8H
 
2
O

Other Names for Arsenuranylite

Other Languages:
German:Arsenuranylit
Spanish:Arsenuranylita

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 Arsenuranylite

Reference List:Belova, L. N. (1958): Arsenuranylite, the arsenic analog of phosphuranylite. Zapiski Vserossiiskogo Mineralogicheskogo Obshchestva 87, 598-602. (in Russian).

American Mineralogist: 44: 208.

Internet Links for Arsenuranylite

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    Localities for Arsenuranylite

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