Zur Bestimmung von GE POL Diamanten: erste Erkenntnisse
Zur Bestimmung von GE POL Diamanten: erste Erkenntnisse. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2000. Author(s): J.-P. Chalain, E. Fritsch, H.A. Haenni
Identification of GE POL diamonds: a second step
Identification of GE POL diamonds: a second step. Published in Journal of Gemmology, 2000. Author(s): J.-P. Chalain, E. Fritsch, H.A. Haenni
Identification of colourless HPHT treated diamonds (e.g. GE POL)
Identification of colourless HPHT treated diamonds (e.g. GE POL). Published in 2000. Author(s): J.-P. Chalain, E. Fritsch, H.A. Haenni
Detection of GE POL treated diamonds
Detection of GE POL treated diamonds. Published in 2000. Author(s): J.-P. Chalain, H.A. Haenni, E. Fritsch
Element mapping of trapiche rubies
Element mapping of trapiche rubies. Published in Journal of Gemmology, 1999. Author(s): K. Schmetzer, Z. Beili, G. Yan, H.-J. Bernhardt, H.A. Haenni
Sur la formation de nacre et des perles
Sur la formation de nacre et des perles. Published in Revue A.F.G., 1999.
Les grenats gemmes
Les grenats gemmes. Published in Revue A.F.G., 1999. Author(s): H.A. Haenni
Identification of filler substances in emeralds by infrared and Raman spectroscopy
Identification of filler substances in emeralds by infrared and Raman spectroscopy. Published in Journal of Gemmology, 1999. Author(s): H.A. Haenni
Détection des diamants GE POL
Détection des diamants GE POL. Published in Revue A.F.G., 1999. Author(s): J.-P. Chalain, H.A. Haenni, E. Fritsch
Detection of GE POL diamonds: a first stage
Detection of GE POL diamonds: a first stage. Published in Revue A.F.G., 1999.