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
Raman Investigations on Two Historical Objects from Basel Cathedral: The Reliquary Cross and Dorothy Monstrance
Raman Investigations on Two Historical Objects from Basel Cathedral: The Reliquary Cross and Dorothy Monstrance. Published in Gems & Gemology, 1998, 34(2), 102-125.
A Raman microscope in the gemmological laboratory: first experiences of application
A Raman microscope in the gemmological laboratory: first experiences of application. Published in Journal of Gemmology, 1997. Author(s): H.A. Haenni, L. Kiefert, J.-P. Chalain
Spectroscopy and its application in gemmology
Spectroscopy and its application in gemmology. Published in 1993. Author(s): H.A. Haenni
Origin determination for gemstones: possibilities, restrictions, reliability
Origin determination for gemstones: possibilities, restrictions, reliability. Published in 1993. Author(s): H.A. Haenni
Considérations terminologiques au sujet des émeraudes du Nigéria de couleur bleu-vert
Considérations terminologiques au sujet des émeraudes du Nigéria de couleur bleu-vert. Published in Revue A.F.G., 1992. Author(s): H.A. Haenni
Blue-green emerald from Nigeria (a consideration of terminology)
Blue-green emerald from Nigeria (a consideration of terminology). Published in Australian Gemmologist, 1992. Author(s): H.A. Haenni
The case for blue-green emerald
The case for blue-green emerald. Published in Jewellery News Asia, 1991. Author(s): H.A. Haenni
From Nigeria – new pale gem-quality emerald or beryl?
From Nigeria – new pale gem-quality emerald or beryl? Published in 1991. Author(s): H.A. Haenni
Zircon ou zirconia à ne pas confondre
Zircon ou zirconia à ne pas confondre. Published in Journal Suisse d’horlogerie et de bijouterie, 1989. Author(s): H.A. Haenni