New rubies from central Tanzania
Author(s) : -
Date : 2008
New rubies from central Tanzania. Published in Gems & Gemology, 2008.
Author(s): H.A. Haenni
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Natural impregnation of a rock by copper minerals
Author(s) : -
Date : 2008
Natural impregnation of a rock by copper minerals. Published in Gems & Gemology, 2008.
Author(s): H.A. Haenni
Einige Gedanken zu Jadeit-Jade
Author(s) : -
Date : 2008
Einige Gedanken zu Jadeit-Jade. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2008.
Author(s): H.A. Haenni
Blick hinter die Kulissen: Zuchtperlen aus aller Welt
Author(s) : -
Date : 2008
Blick hinter die Kulissen: Zuchtperlen aus aller Welt. Published in 2008.
Author(s): H.A. Haenni
Vanadium-bearing gem-quality tourmalines from Madagascar
Author(s) : -
Date : 2007
Vanadium-bearing gem-quality tourmalines from Madagascar. Published in Journal of Gemmology, 2007.
Author(s): K. Schmetzer, H.-J. Bernhardt, C. Dunaigre, H.A. Haenni
Gem-quality taafeeites and musgravites from Africa
Author(s) : -
Date : 2007
Tags : Musgravite / Taaffeite
Gem-quality taafeeites and musgravites from Africa. Published in Journal of Gemmology, 2007.
Author(s): K. Schmetzer, M.S. Krzemnicki, H.A. Haenni, H.-J. Bernhardt, T. Pettke
Perlenzucht mit Pinctada maxima in Südost-Asien – ein Beispiel
Author(s) : -
Date : 2007
Perlenzucht mit Pinctada maxima in Südost-Asien – ein Beispiel. Published in 2007.
Author(s): H.A. Haenni
Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LAICPMS), a new method for gemstone analysis
Author(s) : -
Date : 2007
Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LAICPMS), a new method for gemstone analysis. Published in GAHK Journal, 2007.
Author(s): M.S. Krzemnicki, T. Pettke, H.A. Haenni
The Origin Determination of Gemstones: Challenges and Perspectives
Author(s) : -
Date : 2007
The Origin Determination of Gemstones: Challenges and Perspectives. Published in InColor, 2007.
Author(s): M.S. Krzemnicki
Transparent dumortierite and sapphirine from Tunduru, Tanzania
Author(s) : -
Date : 2007
Transparent dumortierite and sapphirine from Tanzania. Published in Gems & Gemology, 2007.
Author(s): H.A. Haenni