Beobachtungen an hitzebehandeltem Rubin mit künstlicher Rissheilung
Beobachtungen an hitzebehandeltem Rubin mit künstlicher Rissheilung. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2001. Author(s): H.A. Haenni
Diamants de type IIa et traitement HPHT: Identification
Diamants de type IIa et traitement HPHT: Identification. Published in Revue A.F.G., 2001. Author(s): J.-P. Chalain
Identification of gemstone treatments with Raman spectroscopy
Identification of gemstone treatments with Raman spectroscopy. Published in Proceedings of SPIE, 2000. Author(s): L. Kiefert, H.A. Haenni, J.-P. Chalain
SSEF to identify GE POL diamonds
SSEF to identify GE POL diamonds. Published in 2000. Author(s): H.A. Haenni
Recognizing GE POL diamonds at SSEF
Recognizing GE POL diamonds at SSEF. Published in 2000. Author(s): H.A. Haenni
New spectral evidence for GE POL diamond detection
New spectral evidence for GE POL diamond detection. Published in Gems & Gemology, 2000. Author(s): H.A. Haenni, J.-P. Chalain, E. Fritsch
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