Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (3 online) Mindat Auctions

Bjertnes pegmatite, Krøderen Lake, Krødsherad, Buskerud, Norway

StandardDetailedBy ChemistryMineral Photos (4)Site Photos (3)Search Google

An abandoned granite pegmatite quarry near the Bjertnes farm close to the lake Krøderen.

Ref:
Kristiansen, R.(1990):"Nye sekundære uranmineraler fra Bjertnes, Krødsherad". STEIN 17(1),25-28 (in norwegian)





Mineral List:
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Dave Shannon specimen]
  		•  Beryl
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: []
  		•  Clarkeite
    (Na,Ca,Pb)
     
    2
    		U
     
    2
    		(O,OH)
     
    7
    Reference: [R. Åmli (1970, pers. com. to R. Kristiansen); Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, pp. 89-90]
    Site Photo
    Bjertnes pegmatite, Krøderen Lake, Krødsherad, Buskerud, Norway
    © Thomas Witzke
  		•  Fourmarierite
    PbU
     
    4
    		O
     
    13
    		·4H
     
    2
    		O
    Reference: [R. Åmli (1969, pers. com.); Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, 89]
  		•  Joliotite
    (UO
     
    2
    		)[CO
     
    3
    		] · nH
     
    2
    		O
    Reference: [Kristiansen, R.(1990):"Nye sekundære uranmineraler fra Bjertnes, Krødsherad".STEIN 17(1),25-28 (in norwegian)]
  		•  Kainosite-(Y)
    Ca
     
    2
    		(Y,Ce)
     
    2
    		Si
     
    4
    		O
     
    12
    		CO
     
    3
    		·H
     
    2
    		O
    Reference: [Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p 172; Bjørlykke, H. (1960): Årsberetning for 1959. Norges Geologiske Undersøkelse 211, Årbok 1959, p. 249]
  		•  Kamotoite-(Y)
    Y
     
    2
    		(UO
     
    2
    		)
     
    4
    		[O
     
    4
    		|(CO
     
    3
    		)
     
    3
    		] · 14H
     
    2
    		O
    Reference: [Kristiansen, R.(1990):"Nye sekundære uranmineraler fra Bjertnes, Krødsherad".STEIN 17(1),25-28 (in norwegian)]
  		•  Kasolite
    Pb(UO
     
    2
    		)[SiO
     
    4
    		] · H
     
    2
    		O
    Reference: []
  		•  Liebigite
    Ca
     
    2
    		(UO
     
    2
    		)[CO
     
    3
    		]
     
    3
    		 · 11H
     
    2
    		O
    Description: First found in 1969 by R. Åmli, later by g. Raade (April 1972) - as yellow crust on muscovite.
    Reference: [Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 103).]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Dave Shannon specimen]
  		•  Molybdenite
    MoS
     
    2
    Reference: []
  		•  Monazite-(Ce)
    (Ce,La,Nd,Th)PO
     
    4
    Reference: []
    Site Photo
    Bjertnes pegmatite, Krøderen Lake, Krødsherad, Buskerud, Norway
     
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 103).; Dave Shannon specimen]
    Site Photo
    Bjertnes pegmatite, Krøderen Lake, Krødsherad, Buskerud, Norway
    © 2005 - MMI
  		•  Quartz
    SiO
     
    2
    Reference: [Dave Shannon specimen]
  		•  Rutherfordine
    (UO
     
    2
    		)[CO
     
    3
    		]
    Reference: [Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 103]
  		•  Studtite
    [(UO
     
    2
    		)(O
     
    2
    		)(H
     
    2
    		O)
     
    2
    		]·H
     
    2
    		O
    Reference: [Kristiansen, R.(1990):"Nye sekundære uranmineraler fra Bjertnes, Krødsherad".STEIN 17(1),25-28 (in norwegian) + Neumann (1985, p. 86).]
  		•  Urancalcarite
    Ca(UO
     
    2
    		)
     
    3
    		[(OH)
     
    6
    		|CO
     
    3
    		] · 3H
     
    2
    		O
    Reference: [Kristiansen, R.(1990):"Nye sekundære uranmineraler fra Bjertnes, Krødsherad".STEIN 17(1),25-28 (in norwegian)]
  		•  Uraninite
    UO
     
    2
    Description: Good crystals can be found in this locality.
    Reference: [Bjørlykke & Burger (1962, table 1); Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 84]


    18 entries listed. 18 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!
    This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    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: 1st Nov 2009 15:57:06