Pezzottaite, a new mineral and gem
Pezzottaite, a new mineral and gem. Published in Journal of Gemmology, 2004. Author(s): H.A. Haenni, M.S. Krzemnicki
Pezzottait – ein neues Mineral
Pezzottait – ein neues Mineral. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2004. Author(s): H.A. Haenni, M.S. Krzemnicki
Poudretteite: A rare gem species from the Mogok Valley
Poudretteite: A rare gem species from the Mogok Valley. Published in Gems & Gemology, 2003. Author(s): C.P. Smith, G. Bosshart, S. Graeser, H.A. Haenni, D. Guenther, K. Hametner, E. Guebelin
« Rainbow calsilica »
« Rainbow calsilica ». Published in GAHK Journal, 2003. Author(s): L. Kiefert
Der Stein des Regenbogens: « Rainbow Calsilica »
Der Stein des Regenbogens: « Rainbow Calsilica ». Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft by Kiefert et al. in 2003. Author(s): L. Kiefert
Caesiumreiche Morganite aus Afghanistan und Madagaskar
Caesiumreiche Morganite aus Afghanistan und Madagaskar. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2003. Author(s): H.A. Haenni, M.S. Krzemnicki
Caesium-rich morganite from Afghanistan and Madagascar
Caesium-rich morganite from Afghanistan and Madagascar. Published in Journal of Gemmology, 2003. Author(s): H.A. Haenni, M.S. Krzemnicki
Pezzottaite – a new mineral
Pezzottaite – a new mineral. Published in GAHK Journal, 2003. Author(s): H.A. Haenni, M.S. Krzemnicki
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