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Alexo Mine, Timmins, Dundonald Township, Porcupine District, Cochrane District, Ontario, Canada

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A nickel mine located 25 miles NE of Timmins.

Ref.: Geological Survey of Canada Paper 73-13
In serpentinized peridotite at contact of andesite,




Group 2 - Sulphides and Sulfosalts
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Heazlewoodite2.BB.05
    Ni
     
    3
    		S
     
    2
  		• Oregonite2.BB.05
    Ni
     
    2
    		FeAs
     
    2
  		• Pentlandite2.BB.15
    (Fe,Ni)
     
    9
    		S
     
    8
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Group 4 - Oxides and Hydroxides
  		• Chromite4.BB.05
    FeCr
     
    2
    		O
     
    4
  		• Goethite4.FD.10
    α-Fe
    3+
     
    		O(OH)
  		• Magnetite4.BB.05
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Hexahydrite7.CB.25
    MgSO
     
    4
    		·6H
     
    2
    		O
    Group 9 - Silicates
  		• Actinolite9.DE.10
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
  		• Antigorite9.ED.15
    (Mg,Fe
    2+
     
    		)
     
    3
    		[(OH)
     
    4
    		|Si
     
    2
    		O
     
    5
    		]
  		• Chrysotile9.ED.15
    Mg
     
    3
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4


    13 entries listed. 13 valid minerals.

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