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
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
An imitation of black diamond: artificial black cubic zirconium oxide
An imitation of black diamond: artificial black cubic zirconium oxide. Published in Gems & Gemology in 1999. Author(s): J.-P. Chalain
Detection of GE POL diamonds: a first stage
Detection of GE POL diamonds: a first stage. Published in Revue A.F.G., 1999.
Short notes on some gemstone treatments
Short notes on some gemstone treatments. Published in GAHK Journal, 1998. Author(s): H.A. Haenni
Rissfuellungen bei Diamanten – Les diamants traités
Rissfuellungen bei Diamanten – Les diamants traités. Published in 1993. Author(s): E.P. Jegge
The Dresden green
The Dresden green. Published in Swiss Watch & Jewelry Journal, 1989. Author(s): G. Bosshart
El diamante verde de Dresden
El diamante verde de Dresden. Published in Revista Suiza de relojeria y joyeria, 1989. Author(s): G. Bosshart
Le Dresde vert
Le Dresde vert. Published in Journal Suisse d’Horlogerie et de Bijouterie, 1989. Author(s): G. Bosshart