Magnioursilite

 (May not be a valid mineral species)
Uranium
(No Images)

Property Data Remarks
Named for: Its Magnesium, Uranium and Silicate content
Alternate
    Name(s):
  • Magnioursilit
  • Magnioursilita
    		•   
    Mineral Class:
     
       
         
    		 
    Chemical
        Formula:    		 Mg4(UO2)4(Si2O5)5(OH)6 · 20H2O  
    Chemical
        Composition:
    Hydrogen: (H) 2.00%
    Magnesium: (Mg) 4.19%
    Oxygen: (O) 40.68%
    Silicon: (Si) 12.10%
    Uranium: (U) 41.03%
    		by weight
    Molecular
        Weight:    		 2320.52 daltons (amu)
    Specific
        Radioactivity:

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

    Specific Activity Dose Rate
    Becquerels Curies milliRems/hour microSieverts/hour
    × 100 × 10-0    

    Estimated Average Annual Exposure: 360 mRem (3.6 milliSieverts)
    Crystalography:
    System:    
    Axial Ratios: a:  
    b:  
    c:  
    Cell Dimensions: a:   Å
    b:   Å
    c:   Å
    Z:  
    a:   °
    b:   °
    g:   °
    V:   Å3
    DenCalc:  
    H-M Symbol:  
    Space Group:  
    X-Ray Diffraction:
      By Intensity ( I/Io )    		 (1):   Å
    (0.):   Å
    (0.):   Å
    		 
    Habit:
  		•  
    Cleavage:
    [001]  
    [010]  
    [100]  
    		 
    Fracture:    
    Moh's
        Hardness:    		    
    Density:   grams/cm3
    Color:    
    Streak:    
    Luster:    
    Diaphaniety:    
    Pleochroism:
    (x):  
    (y:)  
    (z:)  
    		 
    Ultra Violet
        Fluorescence:
    Long Wave:  
    Short Wave:  
    		 
    Magnetism: Non-magnetic  
    Occurance:
  • Granite porphyry
    		•   
    Associated
        Minerals:

    Calciouranoite, Calcioursilite, Calcite, Gypsum, Kaolinite, Kasolite, Sklodowskite, Uranophane

    Minerals   -   Uranium & Thorium
    mineral links

    		These are minerals known to be found with Magnioursilite
    Locations:

    Extremely rare

    Magnioursilite Locations
    Notes:

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

    Crystals are probably metamic.