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


05946990017708987559984.jpg
Heflikite, etc.

Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
05946990017708987559984.jpg
Heflikite, etc.

Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
01936380017708987568372.jpg
Heflikite, etc.

Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
Locality type:Pegmatite
Classification
Species:Heflikite
Formula:(CaCa)(AlAlSc)O[Si2O7][SiO4](OH)
Chemical Analyses:
Oxide wt%:
1
SiO234.92 %
TiO20.44 %
SnO20.82 %
Al2O319.13 %
Sc2O34.79 %
Fe2O31.96 %
La2O32.55 %
Ce2O37.39 %
Pr2O30.48 %
Nd2O30.67 %
Eu2O30.12 %
Gd2O30.61 %
MnO0.13 %
FeO5.97 %
CaO17.66 %
H2O(+)1.73 %
Total:99.37 %
Empirical formulas:
1(Ca1.64Ce0.24La0.08Nd0.02Gd0.02Pr0.02Eu2+0.004)Σ1.02[(Al1.96Sc0.36Fe3+0.13)E2.45(Fe2+0.43Mn0.01)Σ0.44(Ti0.03Sn4+0.03)Σ0.06]Σ2.95(Si3.03O11)O(OH)
Sample references:
1 -
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(Al2Sc)(Si2O7)(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
Confirmation
Validity:Valid - Type Locality
Associated Minerals:
Associates:Allanite-(Ce)
Associated Minerals Based on Photo Data:
Epidote1
Hingganite-(Y)1
Allanite-(Ce)1
Data
Mineral Data:Click here to view Heflikite data
Locality Data:Click here to view Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:1609308
Long-form Identifier:1:3:1609308:3
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(Al2Sc)(Si2O7)(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
Chukanov, Nikita V.; Zubkova, Natalia V.; Kasatkin, Anatoly V.; Pekov, Igor V.; Agakhanov, Atali A.; Yapaskurt, Vasiliy O.; Virus, Alla A.; Ksenofontov, Dmitry A.; Britvin, Sergey N. (2026) Partial Ordering of Cations by the Wolframite Mechanism Using Fe2+- and Sc-Dominant Minerals of the Columbite Supergroup as Examples. Minerals, 16 (5). p.536. doi:10.3390/min16050536
NAGASHIMA, Mariko; NISHIO-HAMANE, Daisuke (2026) Crystal chemistry of uedaite-(Ce) from the Karasugawa mine, Fukushima, Japan, and the Heftetjern pegmatite, Norway. Journal of Mineralogical and Petrological Sciences, 121 (1). p.n/a. doi:10.2465/jmps.260125
 
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