Saléeite

IMA-GP
Uranium 40.2a.11.1
(Dana Classification Number)
(Images) 7/E.01-30
(Strunz ID)

Property Data Remarks
Named for: Professor Achille Salée of Louvain, Belgium
Alternate
    Name(s):
  •  
    Mineral Class:
    Phosphates, Arsenates and Vanadates
      Uranylphosphates and uranylvanadates with
    [UO2]2+ - [PO4 | AsO4]3- and
    [UO2]2+ - [V2O8]6-
        Autunite group
     
    Chemical
        Formula:
    Mg(UO2)2(PO4)2 · 10H2O  
    Chemical
        Composition:
    Hydrogen: (H) 2.16%
    Magnesium: (Mg) 2.60%
    Oxygen: (O) 37.67%
    Phosphorus: (P) 6.63%
    Uranium: (U) 50.94%
    by weight
    Molecular
        Weight:
    934.46 daltons (amu)
    Specific
        Radioactivity:

    (All radiation is for a 1 gram, fully aged specimen)

    Specific Activity Dose Rate
    Becquerels Curies milliRems/hour microSieverts/hour
    9.1191 × 1004 2.46 × 10-06 1.29 128.95

    Estimated Average Annual Exposure: 360 mRem (3.6 milliSieverts)

    Crystalography:
    System:   Tetragonal - Ditetragonal Dipyramidal Monoclinic
    Axial Ratios: a: 1 0.34837   † 
    b:   1   † 
    c: 2.83024 0.49624   † 
    Cell Dimensions: a: 7.01 Å 6.95 Å   † 
    b:   19.95   † 
    c: 19.84 Å 9.9 Å   † 
    Z: 2 2   † 
    b:   135.167°   † 
    V: 974.94 Å3  
    DenCalc: 3.18  
    H-M Symbol:   4/m 2/m 2/m  
    Space Group:   I4/mmm P21/c   † 
    X-Ray Diffraction:
      By Intensity ( I/Io )
    (1): 9.85 Å
    (0.9): 3.49 Å
    (0.8): 4.95 Å
    Saléeite
    Crystal
    Habit:
  • Sqaure plates flattened on the {001} plane      † 
  • Sqaure plates with pyramids   † 
  • Crystals show striations parallel to the 010 and 100 axes
  • From less than 0.1 mm to 2.5 cm
  •  
    Cleavage:
    [001] Perfect Perfect
    [010] Indistinct  
    [110] Indistinct  
     
    Fracture: Brittle, mostly along cleavage planes (One Specimen Examined)
    Moh's
        Hardness:
    2.5  
    Density: 3.27 grams/cm3
    Color: Yellow, Yellow-green, Olive-green  
    Streak: Yellow white  
    Luster: Vitreous, (Waxy   † )  
    Diaphaneity: Transparent to Translucent (Opaque upon dehydration   †   ‡ )  
    Dichroism:
    (e): Colorless
    (w:) Colorless
     
    Ultra Violet
        Fluorescence:
    Long Wave: Bright Yellow-green   † 
    Short Wave: Bright Yellow-green      † 
     
    Magnetism: Non-magnetic  
    Occurance:
  • In carnotite-bearing sandstone.
  • Pegmatite
  • Oxidation zone of Uranium ore veins
  •  
    Associated
        Minerals:

    Aragonite, Arsenopyrite, Autunite, Azurite, Barite, Bismuth, Bornite, Calcite, Chalcocite, Chalcopyrite, Coffinite, Copper, Covellite, Cuprite, Cuprosklodowskite, Dewindtite, Dolomite, Galena, Goethite, Hematite, Malachite, Marcasite, Meta-Autunite, Metatorbernite, Metazeunerite, Novácekite, Phosphuranylite, Pyrite, Quartz, Rutherfordine, Schoepite, Siderite, Sphalerite, Torbernite, Uraninite, Uranophane, Uranopilite, Zeunerite, Zippeite

    Mineral   -   > 64% of sites
    Mineral   -   > 48% of sites
    Mineral   -   > 28% of sites
    Minerals   -   Uranium & Thorium
    mineral links

    These are minerals known to be found with Saleeite
    Locations:

    Somewhat rare

    Saleeite Locations
    Notes:

    Strongly radioactive a- and b-particles, g-rays.

    Crystals are probably metamic.

     †  J.H. Bernard and J. Hyrsl, Minerals and their Localities.
     ‡  No approved meta-form of this mineral.

    Saléeite Images

    Specimen #1

      (001a) (001b)  
       
    Ranger Uranium Mine, Jabiru, Kakadu National Park, Northern Territory, Australia

    Specimen Notes

    Occurrence -  

     

    Crystals -  

     

    Appearence -  

    Diaphaniety -

    Luster -

     

      -  

     

    Specimen Physical Properties
    Size   cm   cm   cm
    Weight: x grams    
    g-Radiation Level:   cmp   msieverts background: 20 cpm
           
     


    Specimen #2

    (002a) (002b) (002c) (002d)

     
      (002e) (002f)  
       
    Ranger Uranium Mine, Jabiru, Northern Territory, Australia

    Specimen Notes

    Occurrence -  

     

    Crystals -  

     

    Appearence -  

    Diaphaniety -

    Luster -

     

      -  

     

    Specimen Physical Properties
    Size   cm   cm   cm
    Weight: x grams    
    g-Radiation Level:   cmp   msieverts background: 20 cpm
           
     


      †