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
Ein Renishaw Raman Mikroskop im gemmologischen Labor: erste Erfahrungen bei der Anwendung
Ein Renishaw Raman Mikroskop im gemmologischen Labor: erste Erfahrungen bei der Anwendung. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1996. Author(s): H.A. Haenni, L. Kiefert, J.-P. Chalain, I.C. Wilcock
A short synopsis of pearls: natural, cultured, imitation
A short synopsis of pearls: natural, cultured, imitation. Published in 1995. Author(s): H.A. Haenni
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
How to identify Douros synthetic rubies
How to identify Douros synthetic rubies. Published in Jewellery News Asia, 1994. Author(s): H.A. Haenni, K. Schmetzer
Structural and chemical investigations on shells and pearls of nacre-forming saltwater and freshwater bivalve molluscs
Structural and chemical investigations on shells and pearls of nacre-forming saltwater and freshwater bivalve molluscs. Published in Journal of Gemmology, 1994. Author(s): H.A. Haenni
Spectroscopy and its application in gemmology
Spectroscopy and its application in gemmology. Published in 1993. Author(s): H.A. Haenni
Why epoxy-filled emeralds must be accepted
Why epoxy-filled emeralds must be accepted. Published in 1993. Author(s): H.A. Haenni