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
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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
New spectral evidence for GE POL diamond detection
Author(s) : -
Date : 2000
New spectral evidence for GE POL diamond detection. Published in Gems & Gemology, 2000.
Author(s): H.A. Haenni, J.-P. Chalain, E. Fritsch
Diamanten
Author(s) : -
Date : 2000
Diamanten. Published in 2000.
Author(s): H.A. Haenni
Zur Bestimmung von GE POL Diamanten: erste Erkenntnisse
Author(s) : -
Date : 2000
Zur Bestimmung von GE POL Diamanten: erste Erkenntnisse. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2000.
Author(s): J.-P. Chalain, E. Fritsch, H.A. Haenni
Update on Moissanite identification
Author(s) : -
Date : 2000
Tags : Imitations / Moissanite
Update on Moissanite identification. Published in GAHK Journal, 2000.
Author(s): J.-P. Chalain