Upalite

IMA-A 1978-045
Uranium 42.7.12.1
(Dana Classification Number)
(No Images) 7/E.05-30
(Strunz ID)

Property Data Remarks
Named for: Its Uranium, Phosphate and Aluminum content
Alternate
    Name(s):
  •  
    Mineral Class: Phosphates, Arsenates, Vanadates -
    - Ranunculite - Moreauite series
     
    Chemical
        Formula:
    Al(UO2)3(PO4)2O(OH) · 7H2O  
    Chemical
        Composition:
    Aluminum: (Al) 2.27%
    Hydrogen: (H) 1.27%
    Oxygen: (O) 31.02%
    Phosphorus: (P) 5.22%
    Uranium: (U) 60.20%
    by weight
    Molecular
        Weight:
    1,186.12 daltons (amu)
    Specific
        Radioactivity:

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

    Specific Activity Dose Rate
    Becquerels Curies milliRems/hour microSieverts/hour
    1.07764 × 1005 2.91 × 10-06 1.47 147.36

    Estimated Average Annual Exposure: 360 mRem (3.6 milliSieverts)

    Crystalography:
    System: Monoclinic - Prismatic
    Axial Ratios: a:b:c = 0.8147:1:0.5548
    Cell Dimensions: a = 13.704, b = 16.82, c = 9.332, Z = 4; beta = 111.5° V = 2,001.36 Den(Calc)= 3.94
    H-M Symbol: 2/m
    Space Group: P21/a
    X Ray Diffraction: By Intensity(I/Io): 8.4(1) 3.43(0.8) 4.18(0.8)
     
    Habit:
  •  
    Cleavage:
    [???] Perfect
     
    Fracture:    
    Moh's
        Hardness:
    3  
    Density: 3.5 grams/cm3
    Color: Brownish yellow to Amber-yellow  
    Streak: Light yellow  
    Luster:    
    Diaphaneity: Translucent  
    Pleochroism:
    (x):
    (y:)
    (z:)
     
    Ultra Violet
        Fluorescence:
    Long Wave:
    Short Wave:
     
    Magnetism: Non-magnetic  
    Occurance:
  •  
    Associated
        Minerals:

    Althupite, Amblygonite, Beryl, 'Columbite', Dumontite, Eylettersite, Furongite, Kamitugaite, Lusungite, Meta-Autunite, Metavanmeersscheite, Montebrasite, 'Moreauite', Mundite, Phosphuranylite, Phuralumite, Plumbomicrolite, Quartz, Ranunculite, Rutherfordine, Saléeite, Studtite, Threadgoldite, Triangulite, Uraninite, Vanmeersscheite

    Minerals   -   Uranium & Thorium
    mineral links

    These are minerals known to be found with Upalite
    Locations:

    Extremely rare

    Upalite Locations
    Notes:

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

    Crystals are probably metamic.