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Rabejacite

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Formula:
Ca(UO2)4(SO4)2(OH)6 · 6H2O
Colour:
Bright to amber yellow.
Lustre:
Vitreous
Hardness:
3
Specific Gravity:
4.31 (Calculated)
Crystal System:
Orthorhombic
Name:
Named after its discovery locality.
This page provides mineralogical data about Rabejacite.


Hide all sections | Show all sections

Classification of RabejaciteHide

Approved
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

Physical Properties of RabejaciteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Bright to amber yellow.
Hardness:
Density:
4.31 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
Pleochroism:
Strong
Comments:
Y= very pale yellow
Z= sulfur yellow

Chemical Properties of RabejaciteHide

Formula:
Ca(UO2)4(SO4)2(OH)6 · 6H2O
IMA Formula:
Ca2[(UO2)4O4(SO4)2] · 8H2O

Crystallography of RabejaciteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 8.73(1) Å, b = 17.09(2) Å, c = 15.72(2) Å
Ratio:
a:b:c = 0.511 : 1 : 0.92
Unit Cell V:
2,345.36 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Flattened crysyals or acicular. Rosettes, rounded nodules, crusts.

Type Occurrence of RabejaciteHide

Place of Conservation of Type Material:
Royal Belgian Institute of Narural Sciences, Brussels RC4409, RC4410

Synonyms of RabejaciteHide

Other Language Names for RabejaciteHide

German:Rabejacit
Spanish:Rabejacita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Schoepite3 photos of Rabejacite associated with Schoepite on mindat.org.
Sejkoraite-(Y)1 photo of Rabejacite associated with Sejkoraite-(Y) on mindat.org.
Pseudojohannite1 photo of Rabejacite associated with Pseudojohannite on mindat.org.
Cuprosklodowskite1 photo of Rabejacite associated with Cuprosklodowskite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

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.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.

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.

References for RabejaciteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
European Journal of Mineralogy (1993): 5: 873-877.
American Mineralogist (1994): 79: 572.
New Minerals (1997), New Minerals 1990-1994.
Sejkora, J., Čejka, J., Ondruš, P. (2000) New data of rabejacite (Jáchymov, the Krusné Hory Mts., Czech Republic). Neues Jahrbuch für Mineralogie Monatshefte: 7: 289-301.

Internet Links 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 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.
Australia
 
  • Northern Territory
    • West Arnhem Region
      • Kakadu
R.L. Frost, D.A. Henry, and K. Erickson, Raman spectroscopic detection of wyartite in the presence of rabejacite. Journal of Raman Spectroscopy, 2004. 35(4): p. 255- 260.
R.L. Frost, D.A. Henry, and K. Erickson, Raman spectroscopic detection of wyartite in the presence of rabejacite. Journal of Raman Spectroscopy, 2004. 35(4): p. 255- 260.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
Tschechien & Slowakei, Mineralien und Funstellen, Jaroslav Hyrsl, Petr Korbel. 2008. page 375
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
Sejkora, J., Čejka, J., Ondruš, P. (2000) New data of rabejacite (Jáchymov, the Krusné Hory Mts., Czech Republic). Neues Jahrbuch für Mineralogie Monatshefte: 7: 289-301; Lapis (2002): (7/8): 63-65.
Tvrdý, J. & Plášil, J. (2010): Jáchymov - Reiche Erzlagerstätte und Radonbad im böhmischen Westerzgebirge. Aufschluss 61, 277-292.
Plášil, J., Dušek, M., Novák, M., Čejka, J., Císařová, I., Škoda, R. (2011): Sejkoraite-(Y), a new member of the zippeite group containing trivalent cations from Jáchymov (St. Joachimsthal), Czech Republic: Description and crystal structure refinement. American Mineralogist, 96, 983-991. ; Jakub Plášil, Jiří Sejkora, Radek Škoda, Pavel Škácha (2014): The recent weathering of uraninite from the Červená vein, Jáchymov (Czech Republic): a fingerprint of the primary mineralization geochemistry onto the alteration association. Journal of Geosciences, 59, 223-253.
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Žďár nad Sázavou
        • Rožná deposit
Petr Pauliš, Stanislav Kopecký, Pavel Černý: Uranové minerály České republiky a jejich lokality. (2007)
France
 
  • Occitanie
    • Hérault
      • Lodève
Le Règne Minéral, Hors Série IV (1998)
[Le Cahier des Micromonteurs, 1998, 2, p.13-26]
[European Journal of Mineralogy(1993) 5, 873-877; Le Règne Minéral 1997, 13, p.5-18]
Italy
 
  • Trentino-Alto Adige (Trentino-Südtirol)
    • Trento Province
      • Giudicarie Valleys
        • Chiese Valley
          • 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.
Switzerland
 
  • Wallis (Valais)
    • Le Trient Valley
      • Les Marécottes
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 345; American Mineralogist 88(4), 676-685.; - Meisser, N. (2012): La minéralogie de l'uranium dans le massif des Aiguilles Rouges. Matér. Géol. Suisse, Sér. géotech. 96, 183 p.
USA
 
  • New Mexico
    • McKinley Co.
      • Grants District
Bridget E. McCollam (2002) ZIPPEITES: CHEMICAL CHARACTERIZATION AND POWDER X-RAY DIFFRACTION STUDIES OF SYNTHETIC AND NATURAL SAMPLES MS Thesis, Notre Dame University
  • Utah
    • San Juan Co.
      • White Canyon District
        • White Canyon
Bridget E. McCollam (2002) ZIPPEITES: CHEMICAL CHARACTERIZATION AND POWDER X-RAY DIFFRACTION STUDIES OF SYNTHETIC AND NATURAL SAMPLES MS Thesis, Notre Dame University
Mineral and/or Locality  
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