Deloryite

 IMA-A 1990-037
Uranium 48.3.4.1
(Dana Classification Number)
(No Images) 6/G.06-05
(Strunz ID)

Property Data Remarks
Named for: Jean-Claude Delory, French collector who discovered the mineral species
Alternate
    Name(s):
  		•  
    Mineral Class:
    Sulfates,Chromates,Molybdates and Tungstates
      Uranylmolybdates with [UO2]4+ - [MoO4]2-
        Deloryite - Iriginite series
    		 
    Chemical
        Formula:    		 Cu+4(UO2)(MoO4)2(OH)6  
    Chemical
        Composition:
    Copper: (Cu) 26.87%
    Hydrogen: (H) 0.64%
    Molybdeum: (Mo) 20.28%
    Oxygen: (O) 27.06%
    Uranium: (U) 25.16%
    		by weight
    Molecular
        Weight:    		 946.13 daltons (amu)
    Specific
        Radioactivity:

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

    Specific Activity Dose Rate
    Becquerels Curies milliRems/hour microSieverts/hour
    4.5033 × 1004 1.22 × 10-06 0.63 63.49

    Estimated Average Annual Exposure: 360 mRem (3.6 milliSieverts)
    Crystalography:
    System: Monoclinic - Prismatic
    Axial Ratios: a: 3.2444
    b: 1
    c: 0.9046
    Cell Dimensions: a: 19.83 Å
    b: 6.112 Å
    c: 5.529 Å
    Z: 2
    b: 103.9°
    V: 650.50 Å3
    DenCalc: 4.83
    H-M Symbol: 2/m
    Space Group: C2/m
    X-Ray Diffraction:
      By Intensity ( I/Io )    		 (1): 4.1 Å
    (0.9): 3.734 Å
    (0.8): 4.815 Å
    		 
    Habit:
  		•  
    Cleavage:
    [???] Perfect
    		 
    Fracture:    
    Moh's
        Hardness:    		 4  
    Density: 4.9 grams/cm3
    Color: Dark green, black  
    Streak: Green  
    Luster: Vitreous - Greasy  
    Diaphaneity: Transparent to Subopaque  
    Pleochroism:
    (x):  
    (y:)  
    (z:)  
    		 
    Ultra Violet
        Fluorescence:
    Long Wave:  
    Short Wave:  
    		 
    Magnetism: Non-magnetic  
    Occurance:
  		•  
    Associated
        Minerals:

    Agardite-(Ce), Agardite-(Y), Antlerite, Azurite, Barite, Bornite, Calcite, Cerussite, Chalcanthite, Chalcocite, Chalcopyrite, Cobaltoan Adamite, Copper, Cornwallite, Cuprian Adamite, Cuprite, Francevillite, Galena, Gypsum, Illite, Kaolinite, Lavendulan, 'Limonite', Malachite, Metazeunerite, Mimetite, Mixite, Olivenite, Pharmacosiderite, 'Psilomelane', Pyrite, Quartz, Rutile, Siderite, Smithsonite, Sphalerite, Sulphur, Tetrahedrite, 'Wad', Wulfenite, Yvonite, Zeunerite

    Minerals   -   Uranium & Thorium
    mineral links

    		These are minerals known to be found with Deloryite
    Localities:

    Extremely rare

    Deloryite Localities
    Notes:

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

    Crystals are probably metamic.