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
Red and green labradorite feldspar from the Congo
Red and green labradorite feldspar from the Congo. Published in Journal of Gemmology, 2004. Author(s): M.S. Krzemnicki
Synthetic Verneuil corundum with unusual color zoning
Synthetic Verneuil corundum with unusual color zoning. Published in Gems & Gemology, 2004. Author(s): L. Kiefert
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
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
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