Calciosamarskite

 IMA-A
Uranium -
(Dana Classification Number)
(No Images) 4/D.19-55
(Strunz ID)

Property Data Remarks
Named for: A Calcium variety of Samarskite
Alternate
    Name(s):
  • Calciosamarskit
  • Calciosamarskita
    		•   
    Mineral Class:
    Oxides & Hydroxides
      Oxides with metal: [metal:oxygen = 1:2 (MO2 and related compounds)]
        Polycrase-(Y) - Loranskite-(Y) series
    		 
    Chemical
        Formula:    		 (Ca,Fe+3,U,Y)NbO4  
    Chemical
        Composition:
    Calcium: (Ca) 3.815%
    Iron: (Fe) 5.316%
    Niobium: (Nb) 35.377%
    Oxygen: (O) 24.369%
    Uranium: (U) 22.659%
    Yttrium: (Y) 8.463%
    		by weight
    Molecular
        Weight:    		 262.620 daltons (amu)
    Specific
        Radioactivity:

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

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

    Estimated Average Annual Exposure: 360 mRem (3.6 milliSieverts)

    Crystalography:
    System: Monoclinic
    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:    
    Diaphaneity:    
    Pleochroism:
    (x):  
    (y:)  
    (z:)  
    		 
    Ultra Violet
        Fluorescence:
    Long Wave:  
    Short Wave:  
    		 
    Magnetism: Non-magnetic  
    Occurance:
  		•  
    Associated
        Minerals:

    Albite, 'Albite-Anorthite Series', 'Allanite', Almandine, 'Apatite', Autunite, Beryl vars: Aquamarine & Emerald & Heliodor, Biotite, Bornite, Calcite, Chalcopyrite, Chrysocolla, Clarkeite, Clinozoisite, 'Columbite', Covellite, Epidote, Euxenite-(Y), 'Fergusonite', Ferrocolumbite, Fluorapatite, Fluorite, Gahnite, 'Garnet Group', Graphite, Grossular var: Hessonite, 'Gummite', Hematite, 'Hornblende', Kaolinite, Kyanite, Magnetite, Malachite, 'Mica', Microcline, Microcline var: Amazonite, Monazite-(Ce), Muscovite, 'Oligoclase', Opal var: Hyalite, Orthoclase, Phlogopite, Phosphuranylite, 'Pumpellyite', Pyrite, Pyrochlore, 'Pyroxene Group', Quartz, Quartz var: Smoky Quartz, Riebeckite, Samarskite-(Y), Schorl, Spessartine, Sphalerite, 'Thucholite', 'Thulite', Titanite, Torbernite, 'Tourmaline Group', Uraninite, Uranmicrolite, Uranophane, Uranpyrochlore, Zircon var: Cyrtolite

    Mineral   -   All of the sites
    Mineral   -   > 67% of sites
    Mineral   -   > 33% of sites
    Minerals   -   Uranium & Thorium
    mineral links

    		These are minerals known to be found with Calciosamarskite
    Localities:

    Very rare

    Calciosamarskite Localities
    Notes:

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

    Crystals are probably metamic.