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Metavanmeersscheite

Formula:
U
4+
 
(UO
 
2
)
 
3
[(OH)
 
2
|PO
 
4
]
 
2
· 2H
 
2
O
System:Orthorhombic
This page provides mineralogical data about Metavanmeersscheite.

Classification of Metavanmeersscheite

IMA status:Approved 1981
Strunz 8th edition ID:7/E.07-150
Nickel-Strunz 10th (pending) edition ID:8.EC.20

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
C : UO2:RO4 = 3:2
Dana 8th edition ID:42.7.14.2

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
Hey's CIM Ref.:19.11.2

19 : Phosphates
11 : Phosphates of U
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Type Occurrence of Metavanmeersscheite

Type Locality:Kobokobo pegmatite, Lusungu River District, Sud-Kivu, Democratic Republic of Congo (Zaïre)
Year of Discovery:1982

Crystallography of Metavanmeersscheite

Crystal System:Orthorhombic
Cell Parameters:a = 34.18Å, b = 33.88Å, c = 14.07Å
Ratio:a:b:c = 1.009 : 1 : 0.415
Unit Cell Volume:V 16,293.32 ų (Calculated from Unit Cell)

Optical Data of Metavanmeersscheite

Type:Biaxial (-)
RI values: nα = 1.670 nβ = 1.680 nγ = 1.690
2V:Measured: 83° , Calculated: 88°
Maximum Birefringence:δ = 0.020

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

Chemical Properties of Metavanmeersscheite

Formula:
U
4+
 
(UO
 
2
)
 
3
[(OH)
 
2
|PO
 
4
]
 
2
· 2H
 
2
O
Essential elements:H, O, P, U
All elements listed in formula:H, O, P, U

Relationship of Metavanmeersscheite 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.05Mundite
Al(UO
 
2
)
 
3
[(OH)
 
3
|(PO
 
4
)
 
2
] · 5.5H
 
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.10Arsenuranylite
Ca(UO
 
2
)
 
4
[(OH)
 
2
|AsO
 
4
]
 
2
· 6H
 
2
O
8.EC.10Bergenite
Ca
 
2
Ba
 
4
[(UO
 
2
)
 
3
O
 
2
(PO
 
4
)
 
2
]
 
3
·16H
 
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.10Phurcalite
Ca
 
2
(UO
 
2
)
 
3
[O|PO
 
4
]
 
2
· 7H
 
2
O
8.EC.10Yingjiangite
(K,Ca)(UO
 
2
)
 
3
[OH|(H
 
2
O,OH)|(PO
 
4
)
 
2
] · 3H
 
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.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
Related Minerals - Hey's Index Grouping:
19.11.1Lermontovite
UPO
 
4
·OH·H
 
2
O
19.11.3Vanmeersscheite
U
4+
 
(UO
 
2
)
 
3
[(OH)
 
2
|PO
 
4
]
 
2
· 4H
 
2
O
19.11.4Chernikovite
(H
 
3
O)
 
2
(UO
 
2
)
 
2
[PO
 
4
]
 
2
· 6H
 
2
O
19.11.5Vyacheslavite
UPO
 
4
(OH)·nH
 
2
O
19.11.6Metanatroautunite
NaUO
 
2
PO
 
4
·4H
 
2
O
19.11.7Yingjiangite
(K,Ca)(UO
 
2
)
 
3
[OH|(H
 
2
O,OH)|(PO
 
4
)
 
2
] · 3H
 
2
O
19.11.8Meta-ankoleite
K
 
2
(UO
 
2
)
 
2
[PO
 
4
]
 
2
· 6H
 
2
O
19.11.9Uramphite
(NH
 
4
)
 
2
(UO
 
2
)
 
2
[PO
 
4
]
 
2
· 6H
 
2
O
19.11.10Torbernite
Cu(UO
 
2
)
 
2
(PO
 
4
)
 
2
·12H
 
2
O
19.11.11Metatorbernite
Cu(UO
 
2
)
 
2
[PO
 
4
]
 
2
· 8H
 
2
O
19.11.12Saléeite
Mg(UO
 
2
)
 
2
(PO
 
4
)
 
2
·10H
 
2
O
19.11.13Ningyoite
CaU(PO
 
4
)
 
2
·1-2H
 
2
O
19.11.14Meta-autunite
Ca(UO
 
2
)
 
2
[PO
 
4
]
 
2
· 6-8H
 
2
O
19.11.15Autunite
Ca(UO
 
2
)
 
2
(PO
 
4
)
 
2
·11H
 
2
O
19.11.16Pseudo-autunite
(H
 
3
O)
 
4
Ca
 
2
(UO
 
2
)
 
2
[PO
 
4
]
 
4
· 5H
 
2
O (?)
19.11.17Phurcalite
Ca
 
2
(UO
 
2
)
 
3
[O|PO
 
4
]
 
2
· 7H
 
2
O
19.11.18Phosphuranylite
(H
 
3
O)
 
3
KCa(UO
 
2
)
 
7
[O|PO
 
4
]
 
4
· 8H
 
2
O
19.11.19Ulrichite
CaCu(UO
 
2
)[PO
 
4
]
 
2
· 4H
 
2
O
19.11.20Bergenite
Ca
 
2
Ba
 
4
[(UO
 
2
)
 
3
O
 
2
(PO
 
4
)
 
2
]
 
3
·16H
 
2
O
19.11.21Metauranocircite
Ba(UO
 
2
)
 
2
[PO
 
4
]
 
2
· 7H
 
2
O
19.11.22Uranocircite
Ba(UO
 
2
)
 
2
[PO
 
4
]
 
2
· 10H
 
2
O
19.11.23Ranunculite
HAlUO
 
2
PO
 
4
(OH)
 
3
·4H
 
2
O
19.11.24Triangulite
Al
 
3
(UO
 
2
)
 
4
(PO
 
4
)
 
4
(OH)
 
5
·5H
 
2
O
19.11.25Mundite
Al(UO
 
2
)
 
3
[(OH)
 
3
|(PO
 
4
)
 
2
] · 5.5H
 
2
O
19.11.26Upalite
Al(UO
 
2
)
 
3
(PO
 
4
)
 
2
O(OH)·7H
 
2
O
19.11.27Furongite
Al
 
13
(UO
 
2
)
 
7
(PO
 
4
)
 
13
(OH)
 
14
· 58H
 
2
O
19.11.28Threadgoldite
Al(UO
 
2
)
 
2
[OH|(PO
 
4
)
 
2
] · 8H
 
2
O
19.11.29Phuralumite
Al
 
2
(UO
 
2
)
 
3
[(OH)
 
2
|(PO
 
4
)
 
3
] · 13H
 
2
O
19.11.30Moreauite
Al
 
3
UO
 
2
(PO
 
4
)
 
3
(OH)
 
2
·13H
 
2
O
19.11.31Sabugalite
HAl(UO
 
2
)
 
4
(PO
 
4
)
 
4
·16H
 
2
O
19.11.32Uranospathite
HAl(UO
 
2
)
 
4
(PO
 
4
)
 
4
·40H
 
2
O
19.11.33Althupite
AlTh(UO
 
2
)
 
7
[O
 
2
|(OH)
 
5
|(PO
 
4
)
 
4
] · 15H
 
2
O
19.11.34Françoisite-(Nd)
(Nd,Ce,Sm)(UO
 
2
)
 
3
[O|OH|(PO
 
4
)
 
2
] · 6H
 
2
O
19.11.35Kivuite
H
 
2
Th(UO
 
2
)
 
3
[O|OH|(PO
 
4
)
 
2
] · 6H
 
2
O (?)
19.11.36Parsonsite
Pb
 
2
(UO
 
2
)[PO
 
4
]
 
2
· 2H
 
2
O
19.11.37Dewindtite
Pb(UO
 
2
)
 
3
[OH|PO
 
4
]
 
2
· 3H
 
2
O
19.11.38Dumontite
Pb
 
2
(UO
 
2
)
 
3
[(OH)
 
2
|PO
 
4
]
 
2
· 3H
 
2
O
19.11.39Przhevalskite
Pb
 
2
(UO
 
2
)
 
3
[(OH)
 
2
|PO
 
4
]
 
2
· 3H
 
2
O
19.11.40Lehnerite
Mn
2+
 
(UO
 
2
)
 
2
[PO
 
4
]
 
2
· 8H
 
2
O
19.11.41Bassetite
Fe
2+
 
(UO
 
2
)
 
2
[PO
 
4
]
 
2
· 8H
 
2
O
19.11.42Vochtenite
(Fe
2+
 
,Mg)Fe
3+
 
(UO
 
2
)
 
4
[OH|(PO
 
4
)
 
4
] · 12-13H
 
2
O

Other Names for Metavanmeersscheite

Synonyms:
IMA1981-010
German names:
Metavanmeersscheit
Spanish names:
Metavanmeersscheita

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 Metavanmeersscheite

Reference List:Piret, P. & Deliens, M. (1982): Vanmeersscheite U(UO2)3(PO4)2(OH)6.4H2O and meta-vanmeersscheite U(UO2)3(PO4)2(OH)6.2H2O, new minerals. Bulletin de Minéralogie, 105, 125-128 (in French).

American Mineralogist (1982): 67: 1077.

Internet Links for Metavanmeersscheite

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    Localities for Metavanmeersscheite

    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.
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    (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.
    Democratic Republic of Congo (Zaïre)
     
    • Sud-Kivu
      • Lusungu River District
    Piret, P. & Deliens, M. (1982): Vanmeersscheite U(UO2)3(PO4)2(OH)6.4H2O and meta-vanmeersscheite U(UO2)3(PO4)2(OH)6.2H2O, new minerals. Bulletin de Minéralogie, 105, 125-128 (in French). American Mineralogist, volume 67, pp. 1077(1982)
    Italy
     
    • Trentino-Alto Adige
      • Trento Province
        • Condino
    Campostrini, I., Demartin, F., & Gramaccioli, C. M. (2006). Rio Giulis. Minerali secondari del giacimento uranifero presso Condino, Trento. Rivista Mineralogica Italiana, 30(3), 152-165.
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