Ruby heat treatment and fracture repair
Author(s) : -
Date : 2001
Ruby heat treatment and fracture repair. Published in Jewellery News Asia, 2001.
Author(s): H.A. Haenni
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Research Library
Rubine aus neuen Vorkommen in Madagaskar
Author(s) : -
Date : 2001
Rubine aus neuen Vorkommen in Madagaskar. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2001.
Author(s): H.A. Haenni, C.C. Milisenda, U. Henn
Beobachtungen an hitzebehandeltem Rubin mit künstlicher Rissheilung
Author(s) : -
Date : 2001
Beobachtungen an hitzebehandeltem Rubin mit künstlicher Rissheilung. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2001.
Author(s): H.A. Haenni
Diamants de type IIa et traitement HPHT: Identification
Author(s) : -
Date : 2001
Diamants de type IIa et traitement HPHT: Identification. Published in Revue A.F.G., 2001.
Author(s): J.-P. Chalain
A glass imitation of blue chalcedony
Author(s) : -
Date : 2001
A glass imitation of blue chalcedony. Published in Journal of Gemmology, 2001.
Author(s): H.A. Haenni, S. Tien Wu, Y. Xingqiang, T. Wen-Po
Oriented inclusions in spinel from Madagascar
Author(s) : -
Date : 2000
Oriented inclusions in spinel from Madagascar. Published in Journal of Gemmology, 2000.
Author(s): K. Schmetzer, E. Guebelin, H.-J. Bernhardt, L. Kiefert
Identification of gemstone treatments with Raman spectroscopy
Author(s) : -
Date : 2000
Identification of gemstone treatments with Raman spectroscopy. Published in Proceedings of SPIE, 2000.
Author(s): L. Kiefert, H.A. Haenni, J.-P. Chalain
Hauyn aus der Eifel – ein attraktiver Edelstein
Author(s) : -
Date : 2000
Hauyn aus der Eifel – ein attraktiver Edelstein. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2000.
Author(s): L. Kiefert
SSEF to identify GE POL diamonds
Author(s) : -
Date : 2000
SSEF to identify GE POL diamonds. Published in 2000.
Author(s): H.A. Haenni
Recognizing GE POL diamonds at SSEF
Author(s) : -
Date : 2000
Recognizing GE POL diamonds at SSEF. Published in 2000.
Author(s): H.A. Haenni