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Rabejacite

A valid IMA mineral species
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About RabejaciteHide

Formula:
Ca(UO2)4(SO4)2(OH)6 · 6H2O
Colour:
Bright to amber yellow
Lustre:
Vitreous
Hardness:
3
Specific Gravity:
4.325 (Calculated)
Crystal System:
Triclinic
Name:
Named after its discovery locality.
Plášil et al. (2014) also describe a Cu-rich variety in which there is an additional Cu2+ site located in between pairs of Ca polyhedra.


Unique IdentifiersHide

Mindat ID:
3348
Long-form identifier:
mindat:1:1:3348:6
GUID
(UUID V4):
b6fa5fd2-1f07-4328-b592-6511d5cd25ff

IMA Classification of RabejaciteHide

Classification of RabejaciteHide

7.EC.10

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
E : Uranyl sulfates
C : With medium-sized and large cations
31.6.8.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
6 : (AB)5(XO4)2Zq·xH2O

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
RbjIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of RabejaciteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Bright to amber yellow
Hardness:
Cleavage:
None Observed
Density:
4.325 g/cm3 (Calculated)
Comment:
Measured > 4.1

Optical Data of RabejaciteHide

Type:
Biaxial (-)
RI values:
nα = 1.617 nβ = 1.710(2) nγ = 1.758(2)
2V:
Measured: 68° , Calculated: 68°
Max Birefringence:
δ = 0.141
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v weak
Optical Extinction:
X = c; Y and Z ⊥ [001].
Pleochroism:
Strong
Comments:
Y= very pale yellow
Z= sulfur yellow

Chemistry of RabejaciteHide

Mindat Formula:
Ca(UO2)4(SO4)2(OH)6 · 6H2O

Crystallography of RabejaciteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 8.7434(11) Å, b = 8.309(3) Å, c = 8.8693(10) Å
α = 77.86(2)°, β = 104.635(11)°, γ = 82.935(18)°
Ratio:
a:b:c = 1.052 : 1 : 1.067
Unit Cell V:
598.84 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Flattened crysyals or acicular. Rosettes, rounded nodules, crusts.
Comment:
Originally given cell is orthorhombic, with a = 8.73, b = 17.09, c = 15.72 Å (Z = 4).

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.90 Å(100)
4.17 Å(30)
3.98 Å(40)
3.49 Å(80)
3.38 Å(70)
2.844 Å(30 broad)
2.163 Å(15)
Comments:
Rabejac deposit, France. The data are from the type description.

Geological EnvironmentHide

Paragenetic Mode(s):
Geological Setting:
Oxidation zone of deposits containing uraninite.

Type Occurrence of RabejaciteHide

General Appearance of Type Material:
Acicular crystals, flattened tablets on {001} to 0.1 mm, or rounded nodules to 0.3 mm
Place of Conservation of Type Material:
Royal Belgian Institute of Natural Sciences, Brussels RC4409, RC4410.
Geological Setting of Type Material:
Secondary mineral. Oxidation zone of uranium deposit.
Associated Minerals at Type Locality:
Reference:
Deliens, M., Piret, P. (1993) La rabejacite, Ca(UO2)4(SO4)2(OH)6·6H2O, nouveau sulfate d'uranyle et de calcium des gîtes du Lodévois, Hérault, France. European Journal of Mineralogy: 5: 873-877.

Synonyms of RabejaciteHide

Other Language Names for RabejaciteHide

German:Rabejacit
Spanish:Rabejacita

Common AssociatesHide

Associated Minerals Based on Photo Data:
9 photos of Rabejacite associated with GypsumCaSO4 · 2H2O
3 photos of Rabejacite associated with Schoepite(UO2)8O2(OH)12 · 12H2O
2 photos of Rabejacite associated with VandendriesscheitePbU7O22 · 12H2O
1 photo of Rabejacite associated with Sejkoraite-(Y)Y2(UO2)8(SO4)4O6(OH)2 · 26H2O
1 photo of Rabejacite associated with PseudojohanniteCu3(OH)2[(UO2)4(SO4)2] · 12H2O
1 photo of Rabejacite associated with CuprosklodowskiteCu(UO2)2(SiO3OH)2 · 6H2O
1 photo of Rabejacite associated with DeliensiteFe[(UO2)2(SO4)2(OH)2](H2O)7
1 photo of Rabejacite associated with JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
1 photo of Rabejacite associated with Jáchymovite(UO2)8(SO4)(OH)14 · 13H2O

Related Minerals - Strunz-mindat GroupingHide

7.EC.AdolfpateraiteK(UO2)(SO4)(OH)(H2O)Mon. 2/m : P21/b
7.EC.Beshtauite(NH4)2(UO2)(SO4)2 · 2H2OMon. 2/m : P21/b
7.EC.SeaborgiteLiK2Na6(UO2)(SO4)5(SO3OH)(H2O)Tric. 1 : P1
7.EC.Nitscheite(NH4)2[(UO2)2(SO4)3(H2O)2] · 3H2OMon. 2/m
7.EC.OldsiteK2Fe2+[(UO2)(SO4)2]2(H2O)8Orth. mm2 : Pmn21
7.EC.Libbyite(NH4)2(Na2◻)[(UO2)2(SO4)3(H2O)]2 · 7H2OTet. 4 2 2 : P41 21 2
7.EC.05CobaltzippeiteCo(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m
7.EC.05MagnesiozippeiteMg(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m
7.EC.05NickelzippeiteNi2(UO2)6(SO4)3(OH)10 · 16H2O Mon.
7.EC.05NatrozippeiteNa5(UO2)8(SO4)4O5(OH)3 · 12H2OMon. 2/m : P21/m
7.EC.05ZinczippeiteZn(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m
7.EC.05ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2OMon. 2 : B2
7.EC.05PlavnoiteK0.8Mn0.6[(UO2)2O2(SO4)] · 3.5H2OMon. 2/m : B2/m
7.EC.05Redcanyonite(NH4)2Mn[(UO2)4O4(SO4)2](H2O)4Mon. 2/m : B2/m
7.EC.05Ammoniozippeite(NH4)2[(UO2)2(SO4)O2] · H2OOrth. mmm (2/m 2/m 2/m)
7.EC.10SvornostiteK2Mg[(UO2)(SO4)2]2 · 8H2OOrth. mm2 : Pmn21
7.EC.15MarécottiteMg3(UO2)8(SO4)4O6(OH)2 · 28H2OTric. 1 : P1
7.EC.15Sejkoraite-(Y)Y2(UO2)8(SO4)4O6(OH)2 · 26H2OTric. 1 : P1
7.EC.20PseudojohanniteCu3(OH)2[(UO2)4(SO4)2] · 12H2OTric. 1 : P1
7.EC.40BluelizarditeNa7(UO2)(SO4)4Cl(H2O)2Mon. 2/m : B2/b
7.EC.45MeisseriteNa5(UO2)(SO4)3(SO3OH)(H2O)Tric. 1 : P1
7.EC.45FermiiteNa4(UO2)(SO4)3 · 3H2OOrth. mm2 : Pmn21
7.EC.45OppenheimeriteNa2(UO2)(SO4)2 · 3H2OTric. 1 : P1
7.EC.50PlášiliteNa(UO2)(SO4)(OH) · 2H2OMon. 2/m : P21/b
7.EC.50FeynmaniteNa(UO2)(SO4)(OH) · 3.5H2OMon.
7.EC.55GeschieberiteK2(UO2)(SO4)2 · 2H2OOrth. mm2 : Pna21
7.EC.60OttohahniteNa6(UO2)2(SO4)5(H2O)7 · 1.5H2OTric. 1 : P1
7.EC.65PéligotiteNa6(UO2)(SO4)4 · 4H2OTric. 1 : P1
7.EC.70KlaprothiteNa6(UO2)(SO4)4 · 4H2OMon. 2/m : P21/b
7.EC.75Lussierite Na10[(UO2)(SO4)4](SO4)2 · 3(H2O)Mon. m : Bb
7.EC.80NavrotskyiteK2Na10(UO2)3(SO4)9 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pbcm
7.EC.85Pseudomeisserite-(NH4)(NH4)2Na4[(UO2)2(SO4)5] · 4H2OMon. 2/m : P21/b
7.EC.90WetherilliteNa2Mg(UO2)2(SO4)4 · 18H2OMon. 2/m : P21/b

Fluorescence of RabejaciteHide

Pale yellow under SW and LW UV.

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.

Internet Links for RabejaciteHide

References for RabejaciteHide

Localities for RabejaciteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • Northern Territory
    • West Arnhem Region
      • Kakadu
R.L. Frost et al. (4)
R.L. Frost et al. (4)
Czech Republic
 
  • Karlovy Vary Region
    • Karlovy Vary District
Sejkora et al. (2000) +1 other reference
Möhn et al. (12/2021)
Tvrdý et al. (2010)
Plášil et al. (2011) +1 other reference
        • Svornost Mine
Desor (04/2022)
  • South Bohemian Region
    • Písek District
      • Kovářov
        • Předbořice
Tschechien & Slowakei
  • Vysočina Region
    • Žďár nad Sázavou District
      • Rožná
        • Rožná deposit
Petr Pauliš et al. (2007)
France (TL)
 
  • Occitanie
    • Hérault
      • Lodève
        • Le Puech
Deliens et al. (1993) +1 other reference
        • Lodève
[Le Cahier des Micromonteurs
- (1998)
Italy
 
  • Trentino-Alto Adige (Trentino-South Tyrol)
    • Trento Province (Trentino)
      • Borgo Chiese
        • Condino
Campostrini et al. (2006)
Poland
 
  • Lower Silesian Voivodeship
    • Karkonosze County
      • Kowary
        • Podgórze
Syczewski et al. (2023)
Spain
 
  • Extremadura
    • Badajoz
      • La Haba
www.foro-minerales.com (n.d.)
www.foro-minerales.com (n.d.)
      • Quintana de la Serena
Foro FMF Collection +1 other reference
Switzerland
 
  • Valais
    • Saint-Maurice
      • Salvan
        • Les Marécottes
          • La Creusaz
Stalder et al. (1998) +2 other references
USA
 
  • New Mexico
    • McKinley County
Bridget E. McCollam (2002)
  • Utah
    • San Juan County
      • White Canyon Mining District
Bridget E. McCollam (2002)
 
Mineral and/or Locality  
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