Star garnets and star garnet cat’s-eyes from Ambatondrazaka, Madagascar
Star garnets and star garnet cat’s-eyes from Ambatondrazaka, Madagascar. Published in Journal of Gemmology, 2002. Author(s): K. Schmetzer, H.-J. Bernhardt, L. Kiefert
Rosa bis rosa-orangefarbene Malaya-Granate aus Bekily, Madagaskar
Rosa bis rosa-orangefarbene Malaya-Granate aus Bekily, Madagaskar. Published in GZ, 2002. Author(s): K. Schmetzer, L. Kiefert, T. Hainschwang, H.-J. Bernhardt
Russian synthetic moissanite
Russian synthetic moissanite. Published in Geologica, 2002. Author(s): L. Kiefert, K. Schmetzer, H.A. Haenni
Synthetischer Moissanit aus Russland
Synthetischer Moissanit aus Russland. Published in GZ, 2001. Author(s): L. Kiefert, K. Schmetzer, H.A. Haenni
Synthetic moissanite from Russia
Synthetic moissanite from Russia. Published in Journal of Gemmology, 2001. Author(s): L. Kiefert, K. Schmetzer, H.A. Haenni
Oriented inclusions in spinel from Madagascar
Oriented inclusions in spinel from Madagascar. Published in Journal of Gemmology, 2000. Author(s): K. Schmetzer, E. Guebelin, H.-J. Bernhardt, L. Kiefert
Multicomponent inclusions in Nacken synthetic emeralds
Multicomponent inclusions in Nacken synthetic emeralds. Published in Journal of Gemmology, 1999. Author(s): K. Schmetzer, L. Kiefert, H.-J. Bernhardt
Element mapping of trapiche rubies
Element mapping of trapiche rubies. Published in Journal of Gemmology, 1999. Author(s): K. Schmetzer, Z. Beili, G. Yan, H.-J. Bernhardt, H.A. Haenni
Zur Färbung von Igmerald (synthetischer Smaragd, hergestellt von der I.G. Farbenindustrie)
Zur Färbung von Igmerald (synthetischer Smaragd, hergestellt von der I.G. Farbenindustrie). Published in GZ, 1998. Author(s): K. Schmetzer, L. Kiefert
The colour of Igmerald: I.G. Farbenindustrie flux-grown synthetic emerald
The colour of Igmerald: I.G. Farbenindustrie flux-grown synthetic emerald. Published in Journal of Gemmology, 1998. Author(s): K. Schmetzer, L. Kiefert