Spectroscopic properties of an historical greenish yellow diamond. Published in 2004.
Author(s): J.-P. Chalain, G. Bosshart, V. Hammer
Poudretteite: A rare gem species from the Mogok Valley. Published in Gems & Gemology, 2003.
Author(s): C.P. Smith, G. Bosshart, S. Graeser, H.A. Haenni, D. Guenther, K. Hametner, E. Guebelin
Verschiedenfarbige Bernsteine aus dem Baltikum. Published in 2003.
Author(s): L. Kiefert
“Rainbow calsilica”. Published in GAHK Journal, 2003.
Author(s): L. Kiefert
Der Stein des Regenbogens: “Rainbow Calsilica”. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft by Kiefert et al. in 2003.
Author(s): L. Kiefert
Caesiumreiche Morganite aus Afghanistan und Madagaskar. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2003.
Author(s): H.A. Haenni, M.S. Krzemnicki
Nulla parte mirabilior: Zur Verwendung von Edelsteinen in der Antike. Published in 2003.
Author(s): S. Haeberli, L. Kiefert
Caesium-rich morganite from Afghanistan and Madagascar. Published in Journal of Gemmology, 2003.
Author(s): H.A. Haenni, M.S. Krzemnicki
Pezzottaite – a new mineral. Published in GAHK Journal, 2003.
Author(s): H.A. Haenni, M.S. Krzemnicki
Der Binntal Smaragd als Juwel. Published in Schweizer Strahler, 2003.
Author(s): M.S. Krzemnicki, G. Bosshart