Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Alexandra K. Gavrilchik"'
Autor:
Lyudmila N. Morozova, Sergey G. Skublov, Dmitry R. Zozulya, Pavel A. Serov, Elena S. Borisenko, Anna N. Solovjova, Alexandra K. Gavrilchik
Publikováno v:
Geosciences, Vol 13, Iss 10, p 309 (2023)
Beryl is both an accessory and a rock-forming mineral in pegmatites that contain beryl, making it a major source of Be. Beryl-bearing pegmatites of the Shongui deposit, located in the Kola province of the Northeastern Fennoscandian Shield, hold beryl
Externí odkaz:
https://doaj.org/article/368bcf2b94fd4584b81e0ee32f253f75
Autor:
Ahmed E. Abdel Gawad, Antoaneta Ene, Sergey G. Skublov, Alexandra K. Gavrilchik, Mohamed A. Ali, Mohamed M. Ghoneim, Aleksey V. Nastavkin
Publikováno v:
Minerals, Vol 12, Iss 2, p 206 (2022)
Beryl occurs in the ancient Roman mines at Wadi Nugrus, South Eastern Desert of Egypt. It ranges from small crystals to 10 mm in size, and it varies in color, appearing as bright green, pale green, dark green and brown-green with biotite inclusions.
Externí odkaz:
https://doaj.org/article/f50efcf7bd6b42d4b1aa4fe368ea8680