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Heia Quarry, Tvedalen, Larvik, Vestfold, Norway

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Abandoned larvikite quarry with syenite pegmatites situated in Tvedalen 10km W of the town larvik.



References:
- Raade, G.; Åmli, R.; Mladeck, M. H.; Din, V. K.; Larsen, A. O. & Åsheim, A. (1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633 [in part]
- Engvoldsen, T., Andersen, F., Berge, S. A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18 (1), 15-71





Mineral List:
  		•  Aegirine
    NaFe
    3+
     
    		[Si
     
    2
    		O
     
    6
    		]
    Reference: [Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]
  		•  Amesite
    Mg
     
    2
    		Al[(OH)
     
    4
    		|AlSiO
     
    5
    		]
    Description: confirmed by XRD
    Reference: [in the collection of Tom Engvoldsen]
    Site Photo
    Heia Quarry, Tvedalen, Larvik, Vestfold, Norway
    © Tom Engvoldsen
  		•  Analcime
    Na
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
    Reference: [Amli & Griffin (1972); Neumann (1985, p. 89).]
  		•  'Apatite'
    Reference: [Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Reference: [Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]
  		•  Bastnäsite-(Ce)
    (Ce,La)[F|CO
     
    3
    		]
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Behoite
    Be(OH)
     
    2
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Berborite
    Be
     
    2
    		[(OH,F)|BO
     
    3
    		] · H
     
    2
    		O
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Bertrandite
    Be
     
    4
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Biotite
    Description: described as lepidomelane (Raade et al 1983).
    Reference: [Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]
  		•  Böhmite
    AlO(OH)
    Reference: [Engvoldsen, T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71 (see p.68) ]
  		•  Calcite
    CaCO
     
    3
    Reference: []
  		•  Chevkinite-(Ce) ?
    (Ce,La,Ca,Th)
     
    4
    		(Fe
    2+
     
    		,Mg)(Fe
    2+
     
    		,Ti,Fe
    3+
     
    		)
     
    2
    		(Ti,Fe
    3+
     
    		)
     
    2
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Chiavennite
    CaMnBe
     
    2
    		Si
     
    5
    		O
     
    13
    		(OH)
     
    2
    		·2H
     
    2
    		O
    Description: Found as spherulites on analcime and natrolite
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71/ Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]
  		•  'Chlorite Group'
    Reference: [Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]
  		•  Copper
    Cu
    Reference: []
  		•  Diaspore
    AlO(OH)
    Reference: []
  		•  Epididymite
    Na
     
    2
    		Be
     
    2
    		Si
     
    6
    		O
     
    15
    		·H
     
    2
    		O
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Eudidymite
    Na
     
    2
    		Be
     
    2
    		Si
     
    6
    		O
     
    15
    		·H
     
    2
    		O
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Fluorite
    CaF
     
    2
    Reference: [Amli & Griffin (1972); Neumann (1985, p. 89).]
  		•  Galena
    PbS
    Reference: [Åmli & Griffin (1972); Neumann (1985, p. 101).]
  		•  Gibbsite
    Al(OH)
     
    3
    Reference: [Engvoldsen, T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Hambergite
    Be
     
    2
    		[O|OH|BO
     
    2
    		]
    Reference: [Åmli & Griffin (1972, p. 193); Åsheim, A. (1994): Hamberg(itt). STEIN 21 (2), 117-119]
  		•  Helvite
    Mn
    2+
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
    Reference: [Engvoldsen, T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Hydrocerussite
    Pb
     
    3
    		(CO
     
    3
    		)
     
    2
    		(OH)
     
    2
    Description: Found as a thin crust on a leadhillite grain and as 0,04mm sized crystals.
    Reference: [Åmli, R. & Griffin, W. L. (1972): Three minerals new to Norway. Wickmannite, leadhillite, and hydrocerussite. Nor. Geol. Tidsskr., 52, 193-196.; Neumann (1985, pp. 100-101).]
  		•  'K Feldspar'
    Reference: [Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]
  		•  Leadhillite
    Pb
     
    4
    		SO
     
    4
    		(CO
     
    3
    		)
     
    2
    		(OH)
     
    2
    Description: One grain of leadhillite was found inside a cavity in a small piece of galena.
    Reference: [Åmli, R. & Griffin, W. L. (1972): Three minerals new to Norway. Wickmannite, leadhillite, and hydrocerussite. Nor. Geol. Tidsskr., 52, 193-196; Neumann (1985, p. 101).]
  		•  Leucophanite
    NaCaBeSi
     
    2
    		O
     
    6
    		F
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Löllingite
    FeAs
     
    2
    Reference: [Åmli and Griffin (1972); Neumann (1985, p. 41).]
  		•  Natrolite
    Na
     
    2
    		[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		] · 2H
     
    2
    		O
    Reference: [Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]
  		•  Nepheline
    (Na,K)[AlSiO
     
    4
    		]
    Reference: [Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]
  		•  Schorl
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Thomsonite-Ca
    NaCa
     
    2
    		[Al
     
    5
    		Si
     
    5
    		O
     
    20
    		] · 6H
     
    2
    		O
    Reference: [Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]
  		•  Thorite
    (Th,U)[SiO
     
    4
    		]
    Reference: [Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]
  		•  Wickmanite
    Mn
    2+
     
    		[Sn(OH)
     
    6
    		]
    Reference: [Åmli, R. & Griffin, W. L. (1972): Three minerals new to Norway. Wickmannite, leadhillite, and hydrocerussite. Nor. Geol. Tidsskr., 52, 193-196; Neumann (1985, p. 89).]
  		•  Wulfenite
    Pb[MoO
     
    4
    		]
    Reference: [Åmli & Griffin (1972, p. 193); Neumann (1985, p. 114).]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633]


    37 entries listed. 33 valid minerals.

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