
Orange topaz with synthetic hematite coating
Orange topaz with synthetic hematite coating. Published in Gems & Gemology, 2002.
Author(s): M.S. Krzemnicki
Orange topaz with synthetic hematite coating. Published in Gems & Gemology, 2002.
Author(s): M.S. Krzemnicki
Zuchtperlen vom Golf von Kalifornien, Mexiko. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2002.
Author(s): L. Kiefert
Russian synthetic moissanite. Published in Geologica, 2002.
Author(s): L. Kiefert, K. Schmetzer, H.A. Haenni
SSEF introduces type II diamond spotter. Published in Rapaport Diamond Report, 2002.
Author(s): H.A. Haenni
Orange treated sapphire: towards finding a name for a new product. Published in GAHK Journal, 2002.
Author(s): H.A. Haenni
Eine neue Diffusionsbehandlung liefert orangefarbene und gelbe Saphire. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2002.
Author(s): H.A. Haenni, T. Pettke
Ein Besuch bei den Saphirkochern von Chantaburi. Published in GoldOr, 2002.
Author(s): H.A. Haenni
Edelsteine heute: echt, behandelt oder synthetisch?. Published in Der Sachverständige, 2002.
Author(s): H.A. Haenni
Les nouvelles mines d’émeraudes de la Pita (Colombie). Published in Revue A.F.G. by Fritsch et al (2002)
La certification de diamants de type IIa. Published in Revue A.F.G., 2002.
Author(s): J.-P. Chalain