Three historical asteriated hydrogen rich diamonds: growth history and sector-dependent impurity incorporation
Three historical asteriated hydrogen rich diamonds: growth history and sector-dependent impurity incorporation. Published in Diamonds & related materials, 2004. Link to article: https://www.sciencedirect.com/science/article/pii/S0925963504000974 Author(s): B. Rondeau, E. Fritsch, M. Guiraud, J.-P. Chalain,
Ein neues Instrument für die analytische Gemmologie: LIBS
Ein neues Instrument für die analytische Gemmologie: LIBS Author(s): H.A. Haenni, M.S. Krzemnicki, L. Kiefert, J.-P. Chalain
Spectroscopic properties of an historical greenish yellow diamond
Spectroscopic properties of an historical greenish yellow diamond. Published in 2004. Author(s): J.-P. Chalain, G. Bosshart, V. Hammer
Spectroscopic study of a yellowish green HPHT synthetic diamond
Spectroscopic study of a yellowish green HPHT synthetic diamond. Published in GAHK Journal, 2003. Author(s): J.-P. Chalain
A type IaB diamond showing a “tatami” strain pattern
A type IaB diamond showing a “tatami” strain pattern. Published in Gems & Gemology, 2003. Author(s): J.-P. Chalain
A natural yellow diamond with nickel-related optical centers
A natural yellow diamond with nickel-related optical centers. Published in Gems & Gemology, 2003. Author(s): J.-P. Chalain
Les nouvelles mines d’émeraudes de la Pita (Colombie)
Les nouvelles mines d’émeraudes de la Pita (Colombie). Published in Revue A.F.G. by Fritsch et al (2002)
La certification de diamants de type IIa
La certification de diamants de type IIa. Published in Revue A.F.G., 2002. Author(s): J.-P. Chalain
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
Synthetischer Moissanit und Diamant: Sichere Unterscheidung mit Hilfe des Reflektometers
Synthetischer Moissanit und Diamant: Sichere Unterscheidung mit Hilfe des Reflektometers. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1999. Author(s): J.-P. Chalain, M.S. Krzemnicki