Détermination de substances de remplissage dans les émeraudes
Détermination de substances de remplissage dans les émeraudes. Published in Revue A.F.G., 1998. Author(s): J.-P. Chalain, H.A. Haenni, L. Kiefert
Raman microprobe fingerprints fillings
Raman microprobe fingerprints fillings. Published in Thailand Jewellery Review, 1996. Author(s): H.A. Haenni
How to identify fillings in emeralds using Raman spectroscopy
How to identify fillings in emeralds using Raman spectroscopy. Published in Jewellery News Asia, 1996. Author(s): H.A. Haenni, L. Kiefert, J.-P. Chalain
Agee hydrothermal synthetic emeralds
Agee hydrothermal synthetic emeralds. Published in JewelSiam, 1995. Author(s): H.A. Haenni, L. Kiefert
Preliminary results on Agee hydrothermal synthetic emeralds
Preliminary results on Agee hydrothermal synthetic emeralds. Published in 1994. Author(s): H.A. Haenni, L. Kiefert
Émeraudes synthétiques hydrothermales Agee – Hydrothermal-synthetische Smaragde von Agee
Émeraudes synthétiques hydrothermales Agee – Hydrothermal-synthetische Smaragde von Agee. Published in 1994. Author(s): H.A. Haenni, L. Kiefert, J.-P. Chalain
Why epoxy-filled emeralds must be accepted
Why epoxy-filled emeralds must be accepted. Published in 1993. Author(s): H.A. Haenni
La synthèse hydrothermale en Australie: émeraude et béryl rose
La synthése hydrothermale en Australie: émeraude et béryl rose. Published in Journal Suisse d’Horlogerie et de Bijouterie, 1993. Author(s): H.A. Haenni
Hydrothermal synthetic emeralds from Australia: emeralds and pink beryls
Hydrothermal synthetic emeralds from Australia: emeralds and pink beryls. Published in 1993. Author(s): H.A. Haenni
Filled emeralds: please face reality
Filled emeralds: please face reality. Published in ICA Gazette, 1993. Author(s): H.A. Haenni