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Shabaite-(Nd)

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About Shabaite-(Nd)Hide

Formula:
Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2 · 6H2O
Colour:
Pale yellow-green, beige
Lustre:
Vitreous
Hardness:
Specific Gravity:
2.926 (Calculated)
Crystal System:
Triclinic
Name:
Named after the Shaba Province (Katanga) where it was first found.
This page provides mineralogical data about Shabaite-(Nd).


Classification of Shabaite-(Nd)Hide

Approved
Approval Year:
1988
5.EE.10

5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
E : UO2:CO3= 1:4
16b.1.5.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
1 : AmBn(XO3)pZqxH2O & with (m+n):p = 1:1
11.11.16

11 : Carbonates
11 : Carbonates of Cr and U

Physical Properties of Shabaite-(Nd)Hide

Vitreous
Transparency:
Translucent
Colour:
Pale yellow-green, beige
Hardness:
2½ on Mohs scale
Density:
2.926 g/cm3 (Calculated)

Optical Data of Shabaite-(Nd)Hide

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

Formula:
Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2 · 6H2O
IMA Formula:
CaNd2(UO2)(CO3)4(OH)2 · 6H2O

Crystallography of Shabaite-(Nd)Hide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 8.385(5) Å, b = 9.2776(12) Å, c = 31.7519(3) Å
α = 90.058(3)°, β = 89.945(5)°, γ = 90.331(4)°
Ratio:
a:b:c = 0.904 : 1 : 3.422
Unit Cell V:
2,470.02 ų (Calculated from Unit Cell)
Z:
4

Geological EnvironmentHide

Paragenetic Mode(s):
•  Oxidation

Type Occurrence of Shabaite-(Nd)Hide

Synonyms of Shabaite-(Nd)Hide

Other Language Names for Shabaite-(Nd)Hide

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Shabaite-(Nd) associated with VandenbrandeiteCu(UO2)(OH)4
1 photo of Shabaite-(Nd) associated with Kamotoite-(Y)Y2(UO2)4(CO3)3O4 · 14H2O

Related Minerals - Nickel-Strunz GroupingHide

5.EE.05VogliteCa2Cu(UO2)(CO3)4 · 6H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

11.11.1StichtiteMg6Cr3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
11.11.2Rutherfordine(UO2)CO3Orth. mm2 : Imm2
11.11.3Joliotite(UO2)CO3 · nH2OOrth.
11.11.4GrimseliteK3Na(UO2)(CO3)3 · H2OHex.
11.11.5BayleyiteMg2(UO2)(CO3)3 · 18H2OMon.
11.11.6MetazelleriteCa(UO2)(CO3)2 · 3H2OOrth.
11.11.7ZelleriteCa(UO2)(CO3)2 · 5H2OOrth.
11.11.8WyartiteCaU5+(UO2)2(CO3)O4(OH) · 7H2OOrth.
11.11.9UrancalcariteCa(UO2)3(CO3)(OH)6 · 3H2OOrth.
11.11.10SharpiteCa(UO2)3(CO3)4 · 3H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
11.11.11VogliteCa2Cu(UO2)(CO3)4 · 6H2OMon.
11.11.12AndersoniteNa2Ca(UO2)(CO3)3 · 6H2OTrig. 3 : R3
11.11.13SwartziteMgCa(UO2)(CO3)3 · 12H2OMon. 2/m : P21/m
11.11.14RabbittiteCa3Mg3(UO2)2(CO3)6(OH)4 · 18H2OMon.
11.11.15Kamotoite-(Y)Y2(UO2)4(CO3)3O4 · 14H2OMon. 2/m
11.11.17Astrocyanite-(Ce)Cu2(Ce,Nd,La)2(UO2)(CO3)5(OH)2 · 1.5H2OHex.
11.11.18Bijvoetite-(Y)Y8(UO2)16(CO3)16O8(OH)8 · 39H2OMon.
11.11.19WidenmannitePb2(OH)2[(UO2)(CO3)2]Orth.
11.11.20ZnucaliteZn12Ca(UO2)(CO3)3(OH)22 · 4H2OOrth.

Other InformationHide

Health Risks:
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)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
European Journal of Mineralogy (1989): 1: 85-88.
American Mineralogist (1990): 75: 433-434.
Plasil, J., & Skoda, R. (2017). Crystal structure of the (REE)-uranyl carbonate mineral shabaite-(Nd). Journal of GEOsciences, 62(2), 97-105.

Internet Links for Shabaite-(Nd)Hide

Localities for Shabaite-(Nd)Hide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
DR Congo (TL)
 
  • Lualaba
    • Kolwezi mining district
      • Kamoto
European Journal of Mineralogy (1990) 2.; Lapis (1992) 17(3), 13-40.; Deliens, M. (1996) Overzicht van de mineralogie van de koper-, kobalt- en uraniumvoorkomens in Zuid-Shaba (Zaïre). Pages 35-49 in: Schatten der Aarde. Van mineraal tot juweel. Tentoonstelling in de abdij Saint-Gérard de Brogne van 27 april tot 27 oktober 1996. Catalogus opgemaakt onder de leiding van R. Warin, AGAB en P. Van hee, MKA (in Dutch).; [Mandarino, 1997];
 
矿物 and/or 产地  
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