Trapiche-Rubine
Author(s) : -
Date : 1997
Trapiche-Rubine. Published in GZ, 1997.
Author(s): K. Schmetzer, H.A. Haenni, H.-J. Bernhardt, D. Schwarz
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Über die Bildung von Perlmutter und Perle
Author(s) : -
Date : 1997
Über die Bildung von Perlmutter und Perle. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1997.
Author(s): H.A. Haenni
A Raman microscope in the gemmological laboratory: first experiences of application
Author(s) : -
Date : 1997
A Raman microscope in the gemmological laboratory: first experiences of application. Published in Journal of Gemmology, 1997.
Author(s): H.A. Haenni, L. Kiefert, J.-P. Chalain
Investigations on sapphires from an alkali basalt, South West Rwanda
Author(s) : -
Date : 1996
Investigations on sapphires from an alkali basalt, South West Rwanda. Published in Journal of Gemmology, 1996.
Author(s): M.S. Krzemnicki, H.A. Haenni, R. Guggenheim, D. Mathys
Ein neues Vorkommen im Süden von Madagaskar
Author(s) : -
Date : 1996
Ein neues Vorkommen im Süden von Madagaskar. Published in 1996.
Author(s): L. Kiefert, K. Schmetzer, M.S. Krzemnicki, H.-J. Bernhardt, H.A. Haenni
Raman microprobe fingerprints fillings
Author(s) : -
Date : 1996
Raman microprobe fingerprints fillings. Published in Thailand Jewellery Review, 1996.
Author(s): H.A. Haenni
How to identify fillings in emeralds using Raman spectroscopy
Author(s) : -
Date : 1996
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
Author(s) : -
Date : 1996
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
Author(s) : -
Date : 1995
A short synopsis of pearls: natural, cultured, imitation. Published in 1995.
Author(s): H.A. Haenni
Agee hydrothermal synthetic emeralds
Author(s) : -
Date : 1995
Agee hydrothermal synthetic emeralds. Published in JewelSiam, 1995.
Author(s): H.A. Haenni, L. Kiefert