Les pierres précieuses de A à Z: Réglementation du commerce des gemmes. Published in revue de la Fédération de l’industrie horlogère suisse FH, 2005.
Author(s): J.-P. Chalain
Les pierres précieuses de A à Z: le diamant et sa réglementation. Published in revue de la Fédération de l’industrie horlogère suisse FH, 2005.
Author(s): J.-P. Chalain
Les pierres précieuses de A à Z: Plein feux sur le diamant. Published in revue de la Fédération de l’industrie horlogère suisse FH, 2005.
Author(s): J.-P. Chalain
Les pierres précieuses de A à Z. Published in revue de la Fédération de l’industrie horlogère suisse FH, 2005.
Author(s): J.-P. Chalain
Asterism in beryl, aquamarine and emerald- an update. Published in Journal of Gemmology, 2004.
Author(s): K. Schmetzer, L. Kiefert, H.A. Haenni
Pearls from the lion’s paw scallop. Published in Journal of Gemmology, 2004.
Author(s): K. Scarratt, H.A. Haenni
Three historical asteriated hydrogen rich diamonds: growth history and sector-dependent impurity incorporation. Published in Diamonds & related materials, 2004.
Author(s): B. Rondeau, E. Fritsch, M. Guiraud, J.-P. Chalain, F. Notari
Ein neues Instrument für die analytische Gemmologie: LIBS
Author(s): H.A. Haenni, M.S. Krzemnicki, L. Kiefert, J.-P. Chalain
Red and green labradorite feldspar from the Congo. Published in Journal of Gemmology, 2004.
Author(s): M.S. Krzemnicki
Synthetic Verneuil corundum with unusual color zoning. Published in Gems & Gemology, 2004.
Author(s): L. Kiefert