Moluranite

 IMA-GP
Uranium 19.1.2.1
(Dana Classification Number)
(No Images) 6/G.05-30
(Strunz ID)

Property Data Remarks
Named for: Its Molybdenum and Uranium content
Alternate
    Name(s):
  		•  
    Mineral Class:
    Sulfates,Chromates,Molybdates and Tungstates
      Uranylmolybdates with [UO2]+2 - [MoO4]-2
        Mourite - Moluranite series
    		 
    Chemical
        Formula:    		 H4U+4(UO2)3(MoO4)7 · 18H2O  
    Chemical
        Composition:
    Hydrogen: (H) 1.62%
    Molybdenum: (Mo) 26.91%
    Oxygen: (O) 33.33%
    Uranium: (U) 38.15%
    		by weight
    Molecular
        Weight:    		 2,495.98 daltons (amu)
    Specific
        Radioactivity:

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

    Specific Activity Dose Rate
    Becquerels Curies milliRems/hour microSieverts/hour
    6.8281 × 1004 1.85 × 10-06 0.96 95.76

    Estimated Average Annual Exposure: 360 mRem (3.6 milliSieverts)
    Crystalography: Amorphous  
    Habit:
  		•  
    Cleavage: None  
    Fracture: Brittle - Conchoidal  
    Moh's
        Hardness:    		 3 - 4  
    Density: 4 grams/cm3
    Color: Black, Brown  
    Streak: Brown  
    Luster: Resinous  
    Diaphaneity: Translucent  
    Pleochroism:
    (x):  
    (y:)  
    (z:)  
    		 
    Ultra Violet
        Fluorescence:
    Long Wave:  
    Short Wave:  
    		 
    Magnetism: Non-magnetic  
    Occurance:
  		•  
    Associated
        Minerals:

    Aegirine, Albite, Brannerite, Chalcopyrite, Galena, Iriginite, Lomonosovite, Makatite, Molybdenite, Steenstrupine-(Ce), Sérandite, Villiaumite

    Minerals   -   Uranium & Thorium
    mineral links

    		These are minerals known to occur with Moluranite
    Locations:

    Extremely rare

    Moluranite Locations
    Notes:

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

    Crystals are probably metamic.