Locality type: Pegmatite Classification Species: Uedaite-(Ce) Formula: (Mn2+ Ce)(AlAlFe2+ )O[Si2 O7 ][SiO4 ](OH) Chemical Analyses: Empirical formulas: 1 (Mn2+ 0.59 Ca0.40 Fe2+ 0.01 )(Ce0.50 La0.19 Nd0.12 Gd0.03 Dy0.01 Er0.04 Yb0.04 Ca0.02 )Σ=0.95(Al0.78 Fe3+ 0.22 )Al0.99 Fe2+ 1.00 Si3.02 O12 (OH)
Sample references: Comments: Analyzed and verified at Tokyo University. Habit: Not very well developed elongated, prismatic crystals Colour: Black Confirmation Validity: Believed Valid Data Mineral Data: Click here to view Uedaite-(Ce) data Locality Data: Click here to view Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway Data Identifiers Mindat Occurrence Record ID: 971925 Long-form Identifier: 1:3:971925:5 GUID (UUID V4 ): 0 References Pieczka, Adam, Kristiansen, Roy, Stachowicz, Marcin, Dumańska-Słowik, Magdalena, Gołębiowska, Bożena, Sęk, Mateusz P., Nejbert, Krzysztof, Kotowski, Jakub, Marciniak-Maliszewska, Beata, Szuszkiewicz, Adam, et al. (2024) Heflikite, ideally Ca2 (Al2 Sc)(Si2 O7 )(SiO4 )O(OH), the first scandium epidote-supergroup mineral from Jordanów Śląski, Lower Silesia, Poland and from Heftetjern, Tørdal, Norway. Mineralogical Magazine , 88 (3). 228-243 doi:10.1180/mgm.2023.98 Search for references including Uedaite-(Ce) Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway