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Spreustein

Name:Named by A.G. Werner in 1811 and derived from the German word "spreu" = awn, due to its colour and appearance.
A variety of Natrolite

A fine-grained Natrolite replacing a hydrothermally altered Sodalite and/or Nepheline. Not uncommon in some nepheline-syenite pegmatites.

Classification of Spreustein

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Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Spreustein

Reference List:Hoffmann, C.A.S (1815): Handbuch der Mineralogie, p.303.

Internet Links for Spreustein

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    Localities for Spreustein

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    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Norway
     
    • Telemark
      • Porsgrunn
        • Langesundsfjorden
    		Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineral.16. 663 pp
    Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineral.16. 663 pp
        • Mørje
          • Sagåsen (Strandåsen)
    		Andersen, F.,Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. MineralienWelt 7(4):21-100
    • Vestfold
      • Larvik
        • Langesundsfjorden
          • Barkevik (Barkevika)
    		Andersen, F.,Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. MineralienWelt 7(4):21-100
          • Helgeroa
    		Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. p. 65-67
          • Vesle Arøya
    		Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. p 462
        • Tvedalen
          • Tuften (Tuften 1 Quarry; Tuften 2 Quarry)
    		Nordrum, F. S. (2007): Nyfunn av mineraler i Norge 2006-2007. STEIN 34 (2), 14-26
      • Sandefjord
        • Tønsbergfjorden
    		Berge, S. A. & Andersen, F. (2002): Mineralforekomster i Sandefjordområdet. Bergverksmuseets Skrift 20, 50-59
    Mineral and/or Locality
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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: 6th Nov 2009 04:19:49