Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Kornerupine-sapphirine locality North of Bjørnesund, Bjørnesund, Fiskenaes (Fiskenaesset; Qeqertarsuatsiaat), Nuuk (Godthåb), Kitaa (West Greenland) Province, Greenland

StandardDetailedBy ChemistrySearch Google

A lenticular, kornerupine-bearing body ca 10 x 30 meters. It is surrounded by anorthosite. (Petersen & Johnsen 1980)



References:
Petersen, O.V & Johnsen, O. (1980): Giant crystals of Kornerupine. Mineralogical Record: 11, 93-96.





Mineral List:
  		•  'Albite-Anorthite Series'
    Reference: [Petersen, O.V & Johnsen, O. (1980): Giant crystals of Kornerupine. Mineralogical Record 11,93-96]
  		•  Cordierite
    (Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    5
    		O
     
    18
    Reference: [Petersen, O.V & Johnsen, O. (1980): Giant crystals of Kornerupine. Mineralogical Record 11,93-96]
  		•  Corundum
    var: Ruby
    Al
     
    2
    		O
     
    3
    Reference: [Petersen, O.V & Johnsen, O. (1980): Giant crystals of Kornerupine. Mineralogical Record 11,93-96]
  		•  Enstatite
    Mg
     
    2
    		[SiO
     
    3
    		]
     
    2
    Reference: [Petersen, O.V & Johnsen, O. (1980): Giant crystals of Kornerupine. Mineralogical Record 11,93-96]
  		•  Kornerupine
    Mg
     
    3
    		Al
     
    6
    		(Si,Al,B)
     
    5
    		O
     
    21
    		(OH)
    Habit: Large prismatic xls showing {110},{100} {021}. Radiating aggregates
    Colour: White; Colorless Dark green
    Description: Crystal to 23 cm long has been found
    Reference: [Petersen, O.V & Johnsen, O. (1980): Giant crystals of Kornerupine. Mineralogical Record 11,93-96]
  		•  'Mica Group'
    Reference: [Petersen, O.V & Johnsen, O. (1980): Giant crystals of Kornerupine. Mineralogical Record 11,93-96]
  		•  Pargasite
    [Na][Ca
     
    2
    		][Mg
     
    4
    		Al][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Reference: [Petersen, O.V & Johnsen, O. (1980): Giant crystals of Kornerupine. Mineralogical Record 11,93-96]
  		•  Sapphirine
    (Mg,Fe)
     
    4-x
    		Al
     
    4+x
    		[Al
     
    4+x
    		Si
     
    2-x
    		O
     
    18
    		]O
     
    2
    Reference: [Petersen, O.V & Johnsen, O. (1980): Giant crystals of Kornerupine. Mineralogical Record 11,93-96]
  		•  Spinel
    MgAl
     
    2
    		O
     
    4
    Reference: [Petersen, O.V & Johnsen, O. (1980): Giant crystals of Kornerupine. Mineralogical Record 11,93-96]
  		•  'Tourmaline'
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z
    Reference: [Petersen, O.V & Johnsen, O. (1980): Giant crystals of Kornerupine. Mineralogical Record 11,93-96]


    10 entries listed. 6 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: 24th Nov 2009 13:49:32