Calciothorite

(Not a valid mineral)

A Calcium variety of Thorite
Thorium
(No Images)

Property Data Remarks
Named for: A Calcium containing variety of Thorite
Alternate
    Name(s):
  • Calciothorit
  • Calciothorita
    		•   
    Mineral Class:
     
       
         
    		 
    Chemical
        Formula:    		 (Th,Ca2)SiO4 · 3.5H2O  
    Chemical
        Composition:
    Calcium: (Ca) 12.304%
    Hydrogen: (H) 1.083%
    Oxygen: (O) 38.065%
    Silicon: (Si) 12.933%
    Thorium: (Th) 35.616%
    		by weight
    Molecular
        Weight:    		 217.12 daltons (amu)
    Specific
        Radioactivity:

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

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

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

    Aegirine, Albite, Allanite-(Ce), Anatase, Ankerite, Aragonite, Arsenopyrite, Astrophyllite, Azurite, Bastnäsite-(Ce), Biotite, Bornite, Britholite-(Ce), Calcite, Cerite-(Ce), Cerussite, Chalcopyrite, Chevkinite-(Ce), Chrysoberyl, Diopside, Epidote, 'Eudialyte Group', Fergusonite-(Y), Fluorite, Gadolinite-(Ce), Galena, Graphite, Grossular, Gypsum, Hematite, 'Hornblende', Ilmenite, Lizardite, Magnetite, Malachite, Marcasite, Melanocerite-(Ce), Microcline, Molybdenite, Monazite-(Ce), Muscovite, Natrolite, Opal, Orthoclase, Parisite-(Ce), Pharmacosiderite, Prehnite, Pyrite, Pyrochlore, Pyrrhotite, Quartz, Rhodochrosite, Rutile, Schorl, Siderite, Sodalite, Sphalerite, 'Stilbite', Sulphur, Tetrahedrite, Thorite, Titanite, 'Tourmaline Group', Vesuvianite, Wulfenite, Xenotime-(Y), Zircon, Zirconolite var: Polymignite

    Minerals   -   Uranium & Thorium
    mineral links

    		These are a few of the minerals known to be found with Calciothorite
    Localities:

    Extremely rare

    Calciothorite Localities
    Notes:

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

    Crystals are probably metamic.