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Shabaite-(Nd)

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Kamoto East Open cut, Kamoto, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
© Richard De Nul

Show Shabaite-(Nd) Photos (4)
Formula:
Ca(Nd,Sm,Y)
 
2
(UO
 
2
)[(OH)
 
2
|(CO
 
3
)
 
4
] · 6H
 
2
O
Colour:Pale yellow-greenHardness:2½
Name:Named after the Shaba Province (Katanga) where it was first found.
This page provides mineralogical data about Shabaite-(Nd).

Classification of Shabaite-(Nd)

IMA status:Approved 1988
Strunz 8th edition ID:5/F.06-10
Nickel-Strunz 10th (pending) edition ID:5.EE.10

5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
E : UO2:CO3= 1:4
Dana 8th edition ID:16b.1.5.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
1 : AmBn(XO3)pZqxH2O & with (m+n):p = 1:1
Hey's CIM Ref.:11.11.16

11 : Carbonates
11 : Carbonates of Cr and U
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Type Occurrence of Shabaite-(Nd)

Type Locality:Kamoto East Open cut, Kamoto, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Physical Properties of Shabaite-(Nd)

Lustre:Pearly
Diaphaneity (Transparency):Translucent
Colour:Pale yellow-green
Hardness (Mohs):2½

Optical Data of Shabaite-(Nd)

Type:Biaxial (-)
RI values: nα = 1.534 nβ = 1.590 nγ = 1.600
2V:Measured: 44° , Calculated: 44°
Maximum Birefringence:δ = 0.066

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

Chemical Properties of Shabaite-(Nd)

Formula:
Ca(Nd,Sm,Y)
 
2
(UO
 
2
)[(OH)
 
2
|(CO
 
3
)
 
4
] · 6H
 
2
O
Essential elements:C, Ca, H, Nd, O, U
All elements listed in formula:C, Ca, H, Nd, O, Sm, U, Y

Relationship of Shabaite-(Nd) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.EE.05Voglite
Ca
 
2
Cu(UO
 
2
)[CO
 
3
]
 
4
 · 6H
 
2
O (?)
Related Minerals - Hey's Index Grouping:

- +
11.11.1Stichtite
Mg
 
6
Cr
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
11.11.2Rutherfordine
(UO
 
2
)[CO
 
3
]
11.11.3Joliotite
(UO
 
2
)[CO
 
3
] · nH
 
2
O
11.11.4Grimselite
K
 
3
Na(UO
 
2
)[CO
 
3
]
 
3
 · H
 
2
O
11.11.5Bayleyite
Mg
 
2
(UO
 
2
)[CO
 
3
]
 
3
 · 18H
 
2
O
11.11.6Metazellerite
Ca(UO
 
2
)[CO
 
3
]
 
2
 · 3H
 
2
O
11.11.7Zellerite
Ca(UO
 
2
)[CO
 
3
]
 
2
 · 5H
 
2
O
11.11.8Wyartite
Ca[U
5+
 
(UO
 
2
)
 
2
(CO
 
3
)O
 
4
(OH)](H
 
2
O)
 
7
11.11.9Urancalcarite
Ca(UO
 
2
)
 
3
[(OH)
 
6
|CO
 
3
] · 3H
 
2
O
11.11.10Sharpite
Ca(UO
 
2
)
 
6
[(OH)
 
4
|(CO
 
3
)
 
5
] · 6H
 
2
O
11.11.11Voglite
Ca
 
2
Cu(UO
 
2
)[CO
 
3
]
 
4
 · 6H
 
2
O (?)
11.11.12Andersonite
Na
 
2
Ca(UO
 
2
)[CO
 
3
]
 
3
 · 6H
 
2
O
11.11.13Swartzite
MgCa(UO
 
2
)[CO
 
3
]
 
3
 · 12H
 
2
O
11.11.14Rabbittite
Ca
 
3
Mg
 
3
(UO
 
2
)
 
2
[(OH)
 
4
|(CO
 
3
)
 
6
] · 18H
 
2
O
11.11.15Kamotoite-(Y)
Y
 
2
(UO
 
2
)
 
4
[O
 
4
|(CO
 
3
)
 
3
] · 14H
 
2
O
11.11.17Astrocyanite-(Ce)
Cu
 
2
(Ce,Nd,La)
 
2
(UO
 
2
)[(OH)
 
2
|(CO
 
3
)
 
5
] · 1.5H
 
2
O
11.11.18Bijvoetite-(Y)
(Y,Dy)
 
2
(UO
 
2
)
 
4
[(OH)
 
6
|(CO
 
3
)
 
4
] · 11H
 
2
O
11.11.19Widenmannite
Pb
 
2
(UO
 
2
)[CO
 
3
]
 
3
11.11.20Znucalite
Zn
 
12
Ca(UO
 
2
)[(OH)
 
22
|(CO
 
3
)
 
3
] · 4H
 
2
O

Other Names for Shabaite-(Nd)

Synonyms:
IMA1988-005
Other Languages:
German:Shabait-(Nd)

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 Shabaite-(Nd)

Reference List:European Journal of Mineralogy (1989): 1: 85-88.

American Mineralogist (1990): 75: 433-434.

Internet Links for Shabaite-(Nd)

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    Localities for Shabaite-(Nd)

    (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)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Western area
          • Kolwezi
            • Kamoto
    		[Mandarino, 1997]; Eur. J. Mineral., 1990, 2; Lapis 17(3), 13-40 (1992)
    Mineral and/or Locality
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