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Kivikdalen (Kostøl; Ålefjær), Kristiansand, Vest-Agder, Norway

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The locality is a 1-1.5 m wide calcite/pyrolusite vein cutting through granitic gneiss and amphibolities. In the period between 1917-19 the vein was followed 137 m underground. Today, a number of minerals, predominantly microminerals, has been identified.
This locality has often been mislabelled just "Ålefjær", the correct one should be Kivikdalen (Breivik et al. 2007).
-



References:
Bugge C. (1920) Manganforekomstene i Tveit og Vennesla. Bergarkivet Norges Geologiske Undersøkelse, Rapport nr. 81.
- Breivik, H. ; Myre, K. & Larsen, A. O. (2007): Manganforekomster på Sørlandet: Kvivikdalen (Kostøl, Ålefjær): Bergverksmuseets Skrift nr 35, 25-31
- Breivik, H. (2008): Mineraler fra en av manganforekomstene på Sørlandet: Kivikdalen, Ålefjær. STEIN 35 (3), 16-23




Group 1 - Elements
  		• Copper1.AA.05
    Cu
    Group 4 - Oxides and Hydroxides
  		• Cuprite4.AA.10
    Cu
     
    2
    		O
  		• Goethite4.FD.10
    α-Fe
    3+
     
    		O(OH)
  		• Groutite4.FD.10
    Mn
    3+
     
    		O(OH)
  		• Manganite4.FD.15
    Mn
    3+
     
    		O(OH)
  		• Pyrolusite4.DB.05
    MnO
     
    2
  		• Quartz4.DA.05
    SiO
     
    2
  		• Ramsdellite4.DB.15a
    Mn
    4+
     
    		O
     
    2
  		• Ranciéite4.FL.40
    (Ca,Mn)Mn
     
    4
    		O
     
    9
    		·3H
     
    2
    		O
  		• Romanèchite4.DK.10
    (Ba,H
     
    2
    		O)
     
    2
    		Mn
     
    5
    		O
     
    10
    Group 5 - Nitrates and Carbonates
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Malachite5.BA.10
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
  		• Rhodochrosite5.AB.05
    MnCO
     
    3
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Baryte7.AD.35
    BaSO
     
    4
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Pyrobelonite8.BH.40
    PbMn
    2+
     
    		[OH|VO
     
    4
    		]
  		• Vanadinite8.BN.05
    Pb
     
    5
    		[Cl|(VO
     
    4
    		)
     
    3
    		]
    Group 9 - Silicates
  		• Biotite9..
  		• Kaolinite9.ED.05
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Microcline9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Muscovite9.EC.15
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Neotocite9.ED.20
    (Mn,Fe,Mg)SiO
     
    3
    		·H
     
    2
    		O
  		• Phlogopite9.EC.20
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Unclassified Minerals
  		• 'Almandine-Spessartine Series' ?-
  		• 'Chlorite Group'-


    24 entries listed. 21 valid minerals.

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