Pezzottait – ein neues Mineral
Pezzottait – ein neues Mineral. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2004. Author(s): H.A. Haenni, M.S. Krzemnicki
GemLIBS: a new analytical instrument to analyse beryllium in orange sapphires
GemLIBS: a new analytical instrument to analyse beryllium in orange sapphires. Published in GAHK Journal, 2004. Author(s): H.A. Haenni, M.S. Krzemnicki
Ein notwendiger Test in der Perlenuntersuchung
Ein notwendiger Test in der Perlenuntersuchung. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2004. Author(s): H.A. Haenni
Are new sapphires from Sri Lanka diffusion-treated or not?
Are new sapphires from Sri Lanka diffusion-treated or not? Published in Jewellery News Asia, 2004. Author(s): H.A. Haenni
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
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
Russian synthetic moissanite
Russian synthetic moissanite. Published in Geologica, 2002. Author(s): L. Kiefert, K. Schmetzer, H.A. Haenni