Are new sapphires from Sri Lanka diffusion-treated or not?
Author(s) : -
Date : 2004
Are new sapphires from Sri Lanka diffusion-treated or not? Published in Jewellery News Asia, 2004.
Author(s): H.A. Haenni
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Research Library
Spectroscopic properties of an historical greenish yellow diamond
Author(s) : -
Date : 2004
Tags : Diamonds / Spectroscopy
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
Author(s) : -
Date : 2003
Tags : Mogok / Poudretteite
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
Author(s) : -
Date : 2003
Verschiedenfarbige Bernsteine aus dem Baltikum. Published in 2003.
Author(s): L. Kiefert
“Rainbow calsilica”
Author(s) : -
Date : 2003
Tags : Gemmology / Rainbow Calsilica
“Rainbow calsilica”. Published in GAHK Journal, 2003.
Author(s): L. Kiefert
Der Stein des Regenbogens: “Rainbow Calsilica”
Author(s) : -
Date : 2003
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
Author(s) : -
Date : 2003
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
Author(s) : -
Date : 2003
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
Author(s) : -
Date : 2003
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
Author(s) : -
Date : 2003
Tags : Pezzottaite
Pezzottaite – a new mineral. Published in GAHK Journal, 2003.
Author(s): H.A. Haenni, M.S. Krzemnicki