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Skogböle, Kemiö (Kimito) Island, Länsi-Suomen Lääni, Finland

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Pegmatite.
Tantalum was discovered in ore from Kimito (and Ytterby, Sweden).

Ref:
Ann. d. Phys, u. Chem. (1857) 4th ser. II, 625-634
http://www.minsocam.org/ammin/AM48/AM48_961.pdf
http://zs.thulb.uni-jena.de/servlets/MCRFileNodeServlet/jportal_derivate_00141493/18571770807_ftp.pdf
Am Min (1963) 48 (9-10), 961-979
http://www.minsocam.org/ammin/AM48/AM48_961.pdf
GFF (1899) 21, 639-640
GFF (1941) 63, 295-299



References:
A. Laitakari; Bull de la Commission Géologique, no 230




Group 4 - Oxides and Hydroxides
  		• Cassiterite4.DB.05
    SnO
     
    2
  		• Chrysoberyl4.BA.05
    BeAl
     
    2
    		O
     
    4
  		• Ixiolite (TL)4.DB.25
    (Ta,Nb,Sn,Fe,Mn)
     
    4
    		O
     
    8
  		• Quartz4.DA.05
    SiO
     
    2
  		• Spinel4.BB.05
    MgAl
     
    2
    		O
     
    4
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Alluaudite8.AC.10
    (Na,Ca)Mn
    2+
     
    		(Fe
    3+
     
    		,Mn
    2+
     
    		,Fe
    2+
     
    		,Mg)
     
    2
    		(PO
     
    4
    		)
     
    3
  		• Arrojadite-(KFe)8.BF.05
    {KNa}{Fe
    2+
     
    		[ ]}{Ca}{Na
     
    2
    		[ ]}{Fe
    2+
    13
    		}{Al}[(OH)
     
    2
    		|HPO
     
    4
    		|(PO
     
    4
    		)
     
    11
    		]
  		• Heterosite8.AB.10
    (Fe
    3+
     
    		,Mn
    3+
     
    		)[PO
     
    4
    		]
  		• Montebrasite8.BB.05
    LiAl[(OH,F)|PO
     
    4
    		]
  		• Triphylite8.AB.10
    LiFe
    2+
     
    		[PO
     
    4
    		]
  		• Triplite8.BB.10
    (Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    2
    		[(F,OH)|PO
     
    4
    		]
    Group 9 - Silicates
  		• Albite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
      var: Cleavelandite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
  		• Almandine9.AD.25
    Fe
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Beryl9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
  		• Biotite9..
  		• Microcline9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Sillimanite9.AF.05
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Unclassified Minerals
  		• 'Albite-Anorthite Series'-
  		• 'Apatite'-
  		• 'Chlorite Group'-
  		• 'Columbite-Tantalite'-
  		• Tantalite-
    (Fe,Mn)(Ta,Nb)
     
    2
    		O
     
    6
  		• 'Tapiolite'-
    (Fe,Mn)(Ta,Nb)
     
    2
    		O
     
    6
  		• 'Tourmaline'-
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z


    25 entries listed. 17 valid minerals.

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