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Ixiolite from
Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway

Locality type:Pegmatite
Classification
Species:Ixiolite
Formula:(Ta,Nb,Sn,Fe,Mn)4O8
Comments:up to 18,80 wt % Sc2O is reported. As up to 5mm large, black shiny cristals with a brownish tint.
Habit:The outline of the crystals being often rectangular or even square.
Confirmation
Validity:Believed Valid
References
References:Bergstøl, S. & Juve, G. (1988): Scandian ixiolite, pyrochlore and bazzite in granite pegmatite in Tørdal, Telemark, Norway. A contribution to the mineralogy and geochemistry of scandium and tin. Mineral. Petrol., 38, 229-243; Raade, G. & Kristiansen, R. (2000a): Mineralogy and geochemistry of the Heftetjern granite pegmatite, Tørdal: a progress report. Norsk Bergverksmuseum Skrifter. 17, 19-25
Data
Mineral Data:Click here to view Ixiolite data
Locality Data:Click here to view Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
 
Mineral and/or Locality  
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