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Låven (Skådön; Lamö; Lamanskjaer), Langesundsfjorden, Larvik, Vestfold, Norway

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The whole small island of Låven is protected as site of geological interest; collecting is forbidden.




References:
- Weibye, P.C. (1849): Die Mineralien der Lagerstätten bei Brevig, Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde, Schweitzerbart 1849, 521-525

- Weibye, P.C. (1849): Zur Kenntniss norwegischer Mineralien, Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde, Schweitzerbart 1849, 769-783

- Brøgger, W.C.(1885): Forelöpig meddelelse om to nye norske mineraler, Låvenit og Cappelenit. Geologiske Föreningen i Stockholm Förhandlingar 7, 598-600

- Brøgger, W.C.(1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit- und Nephelinsyenite. Zeitschrift fur Kristallographie und Mineralogie 16, XVI, 663 pp + 28 plates

- Mason, B.(1957): Gonnardite (Ranite) from Langesundsfjord. Norsk Geologisk Tidsskrift 37, 435-437

- Raade, G. (1967): Ramsayite as an alteration product of mosandrite. Norsk Geologisk Tidsskrift 47: 249-250

- Larsen, A. O & Raade, G.(1997): Pyroksener fra Oslofeltets syenittpegmatitter. Bergverksmuseets Skrift 12,16-17 [with an anlysis om aegirine-augite from Låven]

- Larsen, A.O. (2001): Chemical composition of catapleiites from the syenite pegmatites in the Larvik plutonic complex, Norway. Bergverksmuseets Skrift 18, 5-9 [with an anlysis on catapleiite from Låven]

- http://home.c2i.net/aolarsen/Pegmatites.htm





 Map Reference: 58°59'43"N , 9°49'4"E

This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Group 2 - Sulphides and Sulfosalts
  		• Galena2.CD.10
    PbS
  		• Löllingite2.EB.15a
    FeAs
     
    2
  		• Molybdenite2.EA.30
    MoS
     
    2
  		• Sphalerite2.CB.05a
    (Zn,Fe
    2+
     
    		)S
    Group 3 - Halides
  		• Fluorite3.AB.25
    CaF
     
    2
    Group 4 - Oxides and Hydroxides
  		• Ilmenite4.CB.05
    Fe
    2+
     
    		TiO
     
    3
  		• Magnetite4.BB.05
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
  		• Pyrophanite4.CB.05
    Mn
    2+
     
    		TiO
     
    3
    Group 9 - Silicates
  		• Aegirine (TL)9.DA.25
    NaFe
    3+
     
    		[Si
     
    2
    		O
     
    6
    		]
  		• Aegirine-augite9.DA.20
    (Na,Ca)(Fe
    3+
     
    		,Fe
    2+
     
    		,Mg,Al)Si
     
    2
    		O
     
    6
  		• Analcime9.GB.05
    Na
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
  		• Astrophyllite (TL)9.DC.05
    (K,Na)
     
    3
    		(Fe,Mn)
     
    7
    		Ti
     
    2
    		Si
     
    8
    		O
     
    24
    		(O,OH)
     
    7
  		• Biotite9..
  		• Catapleiite (TL)9.CA.15
    Na
     
    2
    		Zr[Si
     
    3
    		O
     
    9
    		]·2H
     
    2
    		O
  		• Eudialyte9.CO.10
    Na
     
    15
    		Ca
     
    6
    		(Fe
    2+
     
    		,Mn
    2+
     
    		)
     
    3
    		Zr
     
    3
    		[Si
     
    25
    		O
     
    73
    		](O,OH,H
     
    2
    		O)
     
    3
    		(OH,Cl)
     
    2
  		• Genthelvite9.FB.10
    Zn
     
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
  		• Gonnardite9.GA.05
    Na
     
    2
    		Ca[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		]
     
    2
    		 · 7H
     
    2
    		O
  		• Helvite9.FB.10
    Mn
    2+
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
  		• Leucophanite (TL)9.DH.05
    NaCaBeSi
     
    2
    		O
     
    6
    		F
  		• Lorenzenite9.DB.10
    Na
     
    2
    		Ti
     
    2
    		[O
     
    3
    		|Si
     
    2
    		O
     
    6
    		]
  		• Låvenite (TL)9.BE.17
    (Na,Ca)
     
    2
    		(Mn
    2+
     
    		,Fe
    2+
     
    		)(Zr,Ti)[(O,OH,F)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
  		• Microcline9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Mosandrite (TL)9.BE.20
    Na
     
    2
    		Ca
     
    4
    		(Ce,La,Nd)Ti(Si
     
    2
    		O
     
    7
    		)
     
    2
    		OF
     
    3
  		• Natrolite9.GA.05
    Na
     
    2
    		[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		] · 2H
     
    2
    		O
  		• Nepheline9.FA.05
    (Na,K)[AlSiO
     
    4
    		]
  		• Polylithionite9.EC.20
    KLi
     
    2
    		Al[(F,OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
  		• Rosenbuschite9.BE.22
    (Ca,Na)
     
    3
    		(Zr,Ti)[O|F|Si
     
    2
    		O
     
    7
    		]
  		• Sodalite9.FB.10
    Na
     
    8
    		[Cl
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
  		• Tadzhikite-(Ce)9.DK.20
    (Ca,Ce)
     
    4
    		(Ce,Y)
     
    2
    		(Ti
    4+
     
    		,Fe
    3+
     
    		,Al)[B
     
    4
    		Si
     
    4
    		O
     
    22
    		](OH)
     
    2
  		• Thorite9.AD.30
    (Th,U)[SiO
     
    4
    		]
      var: Calciothorite9.AD.30
    (Th,Ca
     
    2
    		)SiO
     
    4
    		·3.5H
     
    2
    		O
  		• Tritomite-(Ce) (TL)9.AH.25
    (Ce,La,Y,Th)
     
    5
    		(Si,B)
     
    3
    		(O,OH,F)
     
    13
  		• Wöhlerite9.BE.17
    NaCa
     
    2
    		(Zr,Nb)[(O,OH,F)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
  		• Zircon9.AD.30
    Zr[SiO
     
    4
    		]
    Unclassified Minerals
  		• 'Apophyllite'-
  		• 'Thomsonite'-


    36 entries listed. 33 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 12th Nov 2009 16:03:25