
SSEF fieldtrip to Paraiba, Brazil
Presentation given by Alexander Klumb at 2018 Swiss Gemmological Society conference on an SSEF fieldtrip to the Paraiba region of Brazil.
Author(s) :H.A.O. Wang, S. Haensel, A. Klumb
Presentation given by Alexander Klumb at 2018 Swiss Gemmological Society conference on an SSEF fieldtrip to the Paraiba region of Brazil.
Author(s) :H.A.O. Wang, S. Haensel, A. Klumb
The emeralds of Fazenda Boa Esperanca, Taua, Ceara, Brazil: occurence and properties. Published in Journal of Gemmology, 1988.
Author(s): D. Schwarz, H.A. Haenni, F.L. Martins Jr, M. Fischer
Die Smaragde der Fazenda Boa Esperenca bei Taua, Ceara, Brasilien: Vorkommen und Charateristika. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1988.
Author(s): D. Schwarz, H.A. Haenni, F.L. Martins Jr, M. Fischer
The emeralds from the Belmont Mine, Minas Gerais, Brazil. Published in Journal of Gemmology, 1987.
Author(s): H.A. Haenni, D. Schwarz, M. Fischer
Die Smaragde der Belmont-Mine bei Itabira, Minas Gerais, Brasilien: Vorkommen und Charakteristika. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1987.
Author(s): H.A. Haenni, D. Schwarz, M. Fischer
Neues vom Smaragd-Vorkommen von Sta. Terezinha de Goais, Goais, Brasilien. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1983.
Author(s): H.A. Haenni , C.J. Kerez