Breakthrough in orange – the potential of GemLIBS in gem testing
Breakthrough in orange – the potential of GemLIBS in gem testing. Published in Jewellery News Asia, 2005. Author(s): H.A. Haenni
Ein neues Instrument für die analytische Gemmologie: LIBS
Ein neues Instrument für die analytische Gemmologie: LIBS Author(s): H.A. Haenni, M.S. Krzemnicki, L. Kiefert, J.-P. Chalain
To what an extent a jeweller can detect treated diamonds
To what an extent a jeweller can detect treated diamonds. Published in Le Diamant, rêve et réalité, 2004. Author(s): H.A. Haenni
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
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
Orange topaz with synthetic hematite coating
Orange topaz with synthetic hematite coating. Published in Gems & Gemology, 2002. Author(s): M.S. Krzemnicki
Orange treated sapphire: towards finding a name for a new product
Orange treated sapphire: towards finding a name for a new product. Published in GAHK Journal, 2002. Author(s): H.A. Haenni
Eine neue Diffusionsbehandlung liefert orangefarbene und gelbe Saphire
Eine neue Diffusionsbehandlung liefert orangefarbene und gelbe Saphire. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2002. Author(s): H.A. Haenni, T. Pettke
Ein Besuch bei den Saphirkochern von Chantaburi
Ein Besuch bei den Saphirkochern von Chantaburi. Published in GoldOr, 2002. Author(s): H.A. Haenni
Edelsteine heute: echt, behandelt oder synthetisch?
Edelsteine heute: echt, behandelt oder synthetisch?. Published in Der Sachverständige, 2002. Author(s): H.A. Haenni