A short synopsis of pearls: natural, cultured, imitation
A short synopsis of pearls: natural, cultured, imitation. Published in 1995. Author(s): H.A. Haenni
Structural and chemical investigations on shells and pearls of nacre-forming saltwater and freshwater bivalve molluscs
Structural and chemical investigations on shells and pearls of nacre-forming saltwater and freshwater bivalve molluscs. Published in Journal of Gemmology, 1994. Author(s): H.A. Haenni
The influence of the internal structure of pearls on Lauegrams
The influence of the internal structure of pearls on Lauegrams. Published in Journal of Gemmology, 1983. Author(s): H.A. Haenni
Perlendiagnose mit Laue-Aufnahmen
Perlendiagnose mit Laue-Aufnahmen. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1982. Author(s): H.A. Haenni