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Stålaker Quarry, Stålaker, Tjølling, Larvik, Vestfold, Norway

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Larvikite quarry, in operation.



References:
- Engvoldsen, T., Andersen, F., Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1), 15-71
- Hansen, R. (1981): Mineralnotater. NAGS-nytt 8(4), 18 (in norwegian)





Mineral List:
  		•  Aegirine
    NaFe
    3+
     
    		[Si
     
    2
    		O
     
    6
    		]
    Reference: []
  		•  Allanite-(Ce)
    {CaCe}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Analcime
    Na
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
    Reference: [Hansen,R.(1981)."Mineralnotater". NAGS-nytt 8(4),18 (in norwegian)]
  		•  Ancylite-(Ce)
    SrCe[OH|(CO
     
    3
    		)
     
    2
    		] · H
     
    2
    		O
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Apatite-(CaF)
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Reference: [Hansen,R.(1981)."Mineralnotater". NAGS-nytt 8(4),18 (in norwegian)]
  		•  Apophyllite-(KF)
    KCa
     
    4
    		[(F,OH)|Si
     
    8
    		O
     
    20
    		] · 8H
     
    2
    		O
    Reference: [Hansen,R.(1981)."Mineralnotater". NAGS-nytt 8(4),18 (in norwegian)]
  		•  Baddeleyite
    ZrO
     
    2
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Britholite-(Ce)
    Ca
     
    2
    		(Ce,Ca)
     
    3
    		[(OH,F)|(SiO
     
    4
    		,PO
     
    4
    		)
     
    3
    		]
    Reference: []
  		•  Calcite
    CaCO
     
    3
    Reference: [Åsheim, A. (1994): Hamberg(itt). STEIN 21 (2), 117-119]
  		•  Datolite
    CaB[OH|SiO
     
    4
    		]
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Gadolinite-(Ce)
    (Ce,La,Nd,Y)
     
    2
    		Fe
    2+
     
    		Be
     
    2
    		[O|SiO
     
    4
    		]
     
    2
    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: [Åsheim (1981, pers. com.); Neumann (1985, p. 104). / Åsheim, A. (1994): Hamberg(itt). STEIN 21 (2), 117-119]
  		•  Helvite
    Mn
    2+
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
    Reference: [Hansen,R.(1981)."Mineralnotater". NAGS-nytt 8(4),18 (in norwegian)]
  		•  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]
  		•  Magnesiohastingsite
    Na[Ca
     
    2
    		][Mg
     
    4
    		Fe
    3+
     
    		][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Reference: [Larsen,A.O.(1998): "Revisjon av nomenklatur for de sorte amfibolene fra Oslofeltets syenittpegmatitter". Norsk Bergverksmuseum Skrift 14,9 (in norwegian)]
  		•  Meliphanite
    (Ca,Na)
     
    2
    		(Be,Al)[Si
     
    2
    		O
     
    6
    		(OH,F)]
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Natrolite
    Na
     
    2
    		[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		] · 2H
     
    2
    		O
    Reference: [Hansen,R.(1981)."Mineralnotater". NAGS-nytt 8(4),18 (in norwegian)]
  		•  Prehnite
    Ca
     
    2
    		Al
     
    2
    		Si
     
    3
    		O
     
    12
    		(OH)
    Reference: [Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71]
  		•  Titanite
    CaTi[O|SiO
     
    4
    		]
    Reference: []
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: []
  		•  Zirconolite
    var: Polymignite
    (Ca,Fe,Y,Th)(Nb,Ti,Ta,Zr)O
     
    4
    Description: Rulershaped xls up to 10 cm long and 7-8 mm width
    Reference: [Hansen,R.(1981)."Mineralnotater". NAGS-nytt 8(4),18 (in norwegian)]


    21 entries listed. 20 valid minerals.

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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