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Rømteland, Vigeland, Lindesnes, Vest-Agder, Norway

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Old feldspar quarrys 7 km west of Vigeland. A granite pegmatite embedded in farsundite rock.



References:
- Nilssen, B. (1970): Samarskites. Chemical composition, formula and crystalline phases produced by heating. Norsk Geologisk Tidsskrift 50, 357-373 [Analysis on samarskite from Rømteland]
- Sverdrup,T.L.,Bryn, K.Ø. & Sæbø, P.Chr.(1959): Contributions to the mineralogy of Norway. No. 2. Bastnäsite, a new mineral for Norway. Geologisk Tidsskrift 39, 237-247





Mineral List:
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  'Albite-Anorthite Series'
    Reference: [Nilssen, B. (1970): Samarskites. Chemical composition, formula and crystalline phases produced by heating. Norsk Geologisk Tidsskrift 50, 357-373]
  		•  Allanite-(Ce)
    {CaCe}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Sverdrup et al (1959); Neumann (1959, p. 99).]
  		•  Anatase
    TiO
     
    2
    Reference: [Sverdrup (1960, pp. 169-170); Neumann (1985, p. 76).]
  		•  'Apatite'
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Bastnäsite-(Ce)
    (Ce,La)[F|CO
     
    3
    		]
    Habit: as fine grained impregnation in metamict rim zones of allanite-(Y) crystals
    Reference: [Sverdrup,T.L.,Bryn, K.Ø. & Sæbø, P.Chr.(1959):"Contributions to the mineralogy of Norway. No. 2. Bastnäsite, a new mineral for Norway." Geologisk Tidsskrift 39,237-247 +Neumann (1985, p. 99).]
  		•  Beryl
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Biotite
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Calcite
    CaCO
     
    3
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Clarkeite
    (Na,Ca,Pb)
     
    2
    		U
     
    2
    		(O,OH)
     
    7
    Description: Occure in zonated alteration products of uraninite, consisting from a uraninite-core and outwards; clarkeite, fourmarierite, kasolite and uranophane.
    Reference: [Sverdrup (1960, p. 171); Neumann (1985, p. 89).]
  		•  Columbite
    (Fe,Mn)(Nb,Ta)
     
    2
    		O
     
    6
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland"; Sverdrup (1960, pp. 158-159); Neumann (1985, p. 78).]
  		•  Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Euxenite-(Y)
    (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)
     
    2
    		O
     
    6
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland"; Sverdrup (1960); Neumann (1986, p. 78).]
  		•  Fluorite
    CaF
     
    2
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Fourmarierite
    PbU
     
    4
    		O
     
    13
    		·4H
     
    2
    		O
    Description: Occure in zonated alteration products of uraninite, consisting from a uraninite-core and outwards; clarkeite, fourmarierite, kasolite and uranophane.
    Reference: [Sverdrup (1960, p. 171); Neumann (1985, p. 89).]
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland"; Sverderup (1960); Neumann (1985, p. 63).]
  		•  'Hornblende'
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Kasolite
    Pb(UO
     
    2
    		)[SiO
     
    4
    		] · H
     
    2
    		O
    Description: Occure in zonated alteration products of uraninite, consisting from a uraninite-core and outwards; clarkeite, fourmarierite, kasolite and uranophane.
    Reference: [Sverdrup (1960, p. 171); Neumann (1985, p. 89).]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  'Moonstone'
    Reference: []
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Pyrite
    FeS
     
    2
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Pyrolusite
    MnO
     
    2
    Reference: []
  		•  Quartz
    SiO
     
    2
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Samarskite-(Y)
    (Y,Fe
    3+
     
    		,Fe
    2+
     
    		,U,Th,Ca)
     
    2
    		(Nb,Ta)
     
    2
    		O
     
    8
    Reference: [Nilssen, B. (1970): Samarskites. Chemical composition, formula and crystalline phases produced by heating. Norsk Geologisk Tidsskrift 50, 357-373 + Neumann (1985, p. 80).]
  		•  Spessartine
    Mn
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Tengerite-(Y)
    Y
     
    2
    		[CO
     
    3
    		]
     
    3
    		 · 2-3H
     
    2
    		O
    Reference: [Sverdrup (1960, p. 170); Neumann (1985, p. 102).]
  		•  Thorite
    (Th,U)[SiO
     
    4
    		]
    Colour: Brown.
    Reference: [Sverdrup (1960, pp. 163-164); Neumann (1985, p. 139).]
  		•  Titanite
    CaTi[O|SiO
     
    4
    		]
    Reference: [NGU #211 (1959); "The pegmatite dyke at Rømteland".]
  		•  Uraninite
    UO
     
    2
    Description: Sverderup (1960) found lumps of uraninite at this locality up to 300g. Crystals of uraninite is never found at this locality.
    Reference: [Sverdrup (1960, pp. 170-171); Neumann (1985, p. 84).]
  		•  Uranophane
    Ca(UO
     
    2
    		)
     
    2
    		[HSiO
     
    4
    		]
     
    2
    		 · 5H
     
    2
    		O
    Description: Occure in zonated alteration products of uraninite, consisting from a uraninite-core and outwards; clarkeite, fourmarierite, kasolite and uranophane.
    Reference: [Sverdrup (1960, p. 171); Neumann (1985, p. 89).]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Description: "Alvite"/"Malakon" varieties. Transitions between fresh and metamict zircones are known.
    Reference: [Sverdrup (1960, pp. 154-155); Neumann (1985, pp. 136 and 138).]
  		•  Zircon
    var: Alvite
    Description: See zircon.
    Reference: [Sverdrup (1960, pp. 154-155); Neumann (1985, p. 136).]


    35 entries listed. 28 valid minerals.

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