Uranospathite

 IMA-GP
Uranium 40.2a.22.1
(Dana Classification Number)
(No Images) 7/E.04-10
(Strunz ID)

Property Data Remarks
Named for: Its Uranium content and the Greek word for 'a broad blade', alluding to the habit of its crystals
Alternate
    Name(s):
  		•  
    Mineral Class: Phosphates, Arsenates and Vanadates - Uranylphosphates and Uranylvanadates  
    Chemical
        Formula:    		 HAl(UO2)4(PO4)4 · 40H2O  
    Chemical
        Composition:
    Aluminum: (Al) 1.22%
    Hydrogen: (H) 3.70%
    Oxygen: (O) 46.36%
    Phosphorus: (P) 5.61%
    Uranium: (U) 43.11%
    		by weight
    Molecular
        Weight:    		 2,208.60 daltons (amu)
    Specific
        Radioactivity:

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

    Specific Activity Dose Rate
    Becquerels Curies milliRems/hour microSieverts/hour
    7.7166 × 1004 2.09 × 10-06 1.13 113.12

    Estimated Average Annual Exposure: 360 mRem (3.6 milliSieverts)
    Crystalography:
    System: Tetragonal - Dipyramidal
    Axial Ratios: a:c = 1:4.28857
    Cell Dimensions: a = 7, c = 30.02, Z = 1; V = 1,470.98 Den(Calc) = 2.49
    H-M Symbol: 4/m
    Space Group: P42/n
    X Ray Diffraction: By Intensity(I/Io): 4.93(1) 7.6(1) 15.22(1)
    		 
    Habit:
  		•  
    Cleavage:
    [001] Perfect
    [010]
    [100] Good
    		 
    Fracture:    
    Moh's
        Hardness:    		 2 - 2.5  
    Density: 2.5 grams/cm3
    Color: Yellow, pale Green  
    Streak: Yellow white  
    Luster:    
    Diaphaneity: Translucent  
    Pleochroism:
    (x):
    (y:)
    (z:)
    		 
    Ultra Violet
        Fluorescence:
    Long Wave:
    Short Wave:
    		 
    Magnetism: Non-magnetic  
    Occurance:
  		•  
    Associated
        Minerals:

    Arsenuranospathite, Autunite, Barite, Bassetite, Becquerelite, Bornite, Brochantite, Chalcocite, Chalcopyrite, Fluorite, 'Gummite', Hematite, Kasolite, Langite, Liebigite, Malachite, Metatorbernite, Phosphuranylite, Pitchblende, Pyrite, Quartz, Torbernite, Uraninite, Uranocircite, Uranophane, Uranopilite, Uranospinite, Zeunerite, Zippeite

    Mineral   -   > 88% of sites
    Mineral   -   > 63% of sites
    Mineral   -   > 38% of sites
    Minerals   -   Uranium & Thorium
    mineral links

    		These are minerals known to be found with Uranospathite
    Locations:

    Somewhat rare

    Phosphuranylite Locations
    Notes:

    Radioactive a- and b-particles, g-rays.

    Crystals are probably metamic.