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Risörite

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Formula:
(Y,Er)(Nb,Ti,Ta)(O,OH)
 
4
Name:After the locality at Gryting, near Risör, Norway.
A variety of Fergusonite-(Y)

A titaniferous (up to 5 mas.% TiO2) variety of Fergusonite-(Y).

Classification of Risörite

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Chemical Properties of Risörite

Formula:
(Y,Er)(Nb,Ti,Ta)(O,OH)
 
4
Essential elements:Nb, O, Y
All elements listed in formula:Er, H, Nb, O, Ta, Ti, Y

Other Names for Risörite

Other Languages:
German:Risörit
Spanish:Risörita

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 Risörite

Reference List:

- +
Hauser (1907), Ber.: 40: 3118.

Hauser, O. (1908): Risörit ein neues Mineral. Zeitschrift für anorganische Chemie, 60: 230-236

Barth, T. (1927): The structure of risørite. Norsk Geologisk Tidsskrift, 9: 37-39

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 762.

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    • Localities for Risörite

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    (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
     
    • Aust-Agder
      • Gjerstad
    		Hauser, O. (1908): Risörit ein neues Mineral. Zeitschrift für anorganische Chemie, 60: 230-236; Barth, T. (1927): The structure of risørite. Norsk Geologisk Tidsskrift, 9: 37-39
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 20th Jun 2011 13:04:23
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