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pro vyhledávání: '"Diana Twardak"'
Publikováno v:
Mineralogical Magazine. :1-20
Autor:
Mateusz P. Sęk, Andreas Ertl, Gerald Giester, Adam Pieczka, Diana Twardak, Sylwia Zelek, Eligiusz Szełęg
Publikováno v:
Mineralogical Magazine. 82:913-928
Yellowish dravitic tourmaline (dominated by the oxy-dravite component) associated with secondary fluor-dravite/fluor-schorl and dravite/schorl tourmalines was found in a quartz vein cropping out in the eastern part of the Karkonosze Mountains range,