Echte Perlen: Die Schönheit der Vielfalt
Echte Perlen: Die Schönheit der Vielfalt. Published in GoldOr, 2008. Author(s): M.S. Krzemnicki
More natural pearls tested in labs
More natural pearls tested in labs. Published in Jewellery News Asia, 2008. Author(s): H.A. Haenni
Twinned cultured pearl
Twinned cultured pearl. Published in Gems & Gemology, 2008. Author(s): H.A. Haenni
The different kinds of cultured pearls
The different kinds of cultured pearls. Published in GIT Proceedings, 2008. Author(s): H.A. Haenni
Pinctada maxima cultured pearls grown beadless in the mantle
Pinctada maxima cultured pearls grown beadless in the mantle. Published in Gems & Gemology, 2008. Author(s): H.A. Haenni
Blick hinter die Kulissen: Zuchtperlen aus aller Welt
Blick hinter die Kulissen: Zuchtperlen aus aller Welt. Published in 2008. Author(s): H.A. Haenni
Perlenzucht mit Pinctada maxima in Südost-Asien – ein Beispiel
Perlenzucht mit Pinctada maxima in Südost-Asien – ein Beispiel. Published in 2007. Author(s): H.A. Haenni
Modern pearl farming for South Sea cultured pearls
Modern pearl farming for South Sea cultured pearls. Published in Jewelry World, 2007. Author(s): H.A. Haenni
A description of pearl farming with Pinctada maxima in South East Asia
A description of pearl farming with Pinctada maxima in South East Asia. Published in Journal of Gemmology, 2007. Author(s): H.A. Haenni
How to make a cultured pearl
How to make a cultured pearl. Published in Gems & Jewellery, 2007. Author(s): H.A. Haenni