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Milgun Station, Western Australia, Australia

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A variscite deposit in semi-desert,15 km NW of Milgun Station homestead.

Ref.:
Bridge. P.J. and M.W. Pryce (1974): Magnesian collinsite from Milgun Station, Western Australia. Mineral. Mag. 39, 577-579.





 Map Reference: 25°6'S , 118°18'E

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Mineral List:
  		•  Alunite
    KAl
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Reference: [Min.Mag. 39,577-579(1974)]
  		•  Apatite-(CaOH)
    Ca
     
    5
    		[OH|(PO
     
    4
    		)
     
    3
    		]
    Reference: [Min.Mag. 39,577-579(1974)]
  		•  Collinsite
    Ca
     
    2
    		(Mg,Fe
    2+
     
    		)[PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [Min.Mag. 39,577-579(1974)]
  		•  Crandallite
    CaAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    Reference: [Min.Mag. 39,577-579(1974)]
  		•  Foggite
    CaAl[(OH)
     
    2
    		|PO
     
    4
    		] · H
     
    2
    		O
    Habit: massive, usually as rim around variscite
    Colour: white
    Reference: [Western Australia Museum specimens]
    Site Photo
    Milgun Station, Western Australia, Australia
    © DV Minerals
  		•  Gordonite
    MgAl
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    Reference: [Min.Mag. 39,577-579(1974)]
    Site Photo
    Milgun Station, Western Australia, Australia
    © Van King
  		•  Gypsum
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
    Reference: [Min.Mag. 39,577-579(1974)]
  		•  Lehiite
    Reference: [Min.Mag. 39,577-579(1974)]
  		•  Leucophosphite
    KFe
    3+
    2
    		[OH|(PO
     
    4
    		)
     
    2
    		] · 2H
     
    2
    		O
    Reference: [Min.Mag. 39,577-579(1974)]
  		•  Mitridatite
    Ca
     
    2
    		Fe
    3+
    3
    		[O
     
    2
    		|(PO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    Reference: []
  		•  Montgomeryite
    Ca
     
    4
    		MgAl
     
    4
    		[(OH)
     
    2
    		|(PO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 12H
     
    2
    		O
    Reference: [Min.Mag. 39,577-579(1974)]
    Site Photo
    Milgun Station, Western Australia, Australia
    © Van King
  		•  Natrojarosite
    NaFe
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Colour: light orange
    Reference: [Australian Gem and Treasure Hunter 56, 44(1981) [as jarosite]
  		•  Overite
    CaMgAl[OH|(PO
     
    4
    		)
     
    2
    		] · 4H
     
    2
    		O
    Description: Mentioned in the reference, no method of determination given. Later sold (and confirmed) as segelerite.
    Reference: [Min.Mag. 39, 577(1974)]
  		•  Segelerite
    Ca
     
    2
    		 Mg
     
    2
    		 Fe
    3+
    2
    		(PO
     
    4
    		)
     
    4
    		(OH)
     
    2
    		 · 8H
     
    2
    		O
    Description: listed in reference as overite. ID'd as segelerite by Curt Segeler (1975?)
    Reference: [Min.Mag. 39,577-579(1974)]
    Site Photo
    Milgun Station, Western Australia, Australia
    © Van King
  		•  Turquoise
    Cu(Al,Fe
    3+
     
    		)
     
    6
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 4H
     
    2
    		O
    Reference: [Min.Mag. 39,577-579(1974)]
  		•  Variscite
    AlPO
     
    4
    		·2H
     
    2
    		O
    Colour: green
    Reference: [Min.Mag. 39,577-579(1974)]
    Site Photo
    Milgun Station, Western Australia, Australia
    © Alan Goldstein
  		•  Wardite
    NaAl
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: []


    17 entries listed. 15 valid minerals. 1 erroneous literature entry.

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