Locality type: Pegmatite Classification Species: Bazzite Formula: Be3 Sc2 (Si6 O18 ) Comments: Bazzite occurs as single xls, up to 3 cm, or as xline masses to 6-7 cm, mostly of deep blue to greenish blue colour. It occurs in massive quartz /feldspar or on the surface of yellow beryl, or masses associated with kristiansenite.
The bazzite at Heftetjernite is almost always Cs-rich, and may attain up to ~9% Cs2O! Habit: Imperfect plates, hexagonal prismatic crystals; needles Colour: clear, skyblue, light blue Confirmation Validity: Believed Valid Associated Minerals Based on Photo Data: Beryl 2 Quartz 2 Data Mineral Data: Click here to view Bazzite data Locality Data: Click here to view Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway Photo Gallery View Gallery (15 photos) Data Identifiers Mindat Occurrence Record ID: 86571 Long-form Identifier: 1:3:86571:7 GUID (UUID V4 ): 0 Nearest other occurrences of Bazzite
0.7km (0.5 miles) ⓘ Høydalen, Tørdal, Drangedal, Telemark, Norway
References Taran, Michail N., Dyar, M. Darby, Khomenko, Vladimir M., Boesenberg, Joseph S. (2017) Optical absorption, Mössbauer, and FTIR spectroscopic studies of two blue bazzites. Physics and Chemistry of Minerals , 44 (7) 497-507 doi:10.1007/s00269-017-0877-2 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 Bazzite Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway