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Leduc Mine, St-Pierre-de-Wakefield, Wakefield Township, Gatineau Co., Québec, Canada

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The only lithium-enriched granitic pegmatite in the Grenville Province.



References:
Geological Survey of Canada Miscellaneous Report 41. Rocks & Minerals for the Collector. 40(7):485-488.




Group 3 - Halides
  		• Fluorite3.AB.25
    CaF
     
    2
    Group 4 - Oxides and Hydroxides
  		• Columbite-(Mn)4.DB.35
    (Mn,Fe)(Nb,Ta)
     
    2
    		O
     
    6
  		• Euxenite-(Y)4.DG.05
    (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)
     
    2
    		O
     
    6
  		• Polycrase-(Y)4.DG.05
    (Y,U)(Ti,Nb)
     
    2
    		O
     
    6
  		• Quartz4.DA.05
    SiO
     
    2
  		• Samarskite-(Y)4.DB.25
    (Y,Fe
    3+
     
    		,Fe
    2+
     
    		,U,Th,Ca)
     
    2
    		(Nb,Ta)
     
    2
    		O
     
    8
  		• Uraninite4.DL.05
    UO
     
    2
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Fergusonite-(Y)7.GA.05
    YNbO
     
    4
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Autunite8.EB.05
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
  		• Xenotime-(Y)8.AD.35
    YPO
     
    4
    Group 9 - Silicates
  		• Albite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
      var: Cleavelandite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
      var: Peristerite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
  		• Beryl9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
  		• Biotite9..
  		• Elbaite9.CK.05
    [Na][(Li,Al)
     
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
  		• Hafnon9.AD.30
    (Hf,Zr)[SiO
     
    4
    		]
  		• Microcline9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
      var: Amazonite9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Muscovite9.EC.15
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Schorl9.CK.05
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
  		• Spodumene ?9.DA.30
    LiAl[Si
     
    2
    		O
     
    6
    		]
  		• Thorogummite9.AD.30
    (Th,U)[(OH)
     
    4x
    		|(SiO
     
    4
    		)
     
    1-x
    		]
  		• Topaz9.AF.35
    Al
     
    2
    		[(F,OH)
     
    2
    		|SiO
     
    4
    		]
  		• Zinnwaldite9.EC.20
    KLiFe
    2+
     
    		Al[(F,OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Zircon
    var: Cyrtolite    		9.AD.30
    Zr[(SiO
     
    4
    		),(OH)
     
    4
    		]
    Unclassified Minerals
  		• 'Allanite'-
  		• 'Almandine-Spessartine Series'-
  		• 'Garnet Group'-
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
  		• 'Gummite'-
  		• Lepidolite-
  		• 'Perthite'-


    32 entries listed. 23 valid minerals.

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