Agee hydrothermal synthetic emeralds
Author(s) : -
Date : 1995
Agee hydrothermal synthetic emeralds. Published in JewelSiam, 1995.
Author(s): H.A. Haenni, L. Kiefert
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Preliminary results on Agee hydrothermal synthetic emeralds
Author(s) : -
Date : 1994
Preliminary results on Agee hydrothermal synthetic emeralds. Published in 1994.
Author(s): H.A. Haenni, L. Kiefert
Émeraudes synthétiques hydrothermales Agee – Hydrothermal-synthetische Smaragde von Agee
Author(s) : -
Date : 1994
Émeraudes synthétiques hydrothermales Agee – Hydrothermal-synthetische Smaragde von Agee. Published in 1994.
Author(s): H.A. Haenni, L. Kiefert, J.-P. Chalain
How to identify Douros synthetic rubies
Author(s) : -
Date : 1994
How to identify Douros synthetic rubies. Published in Jewellery News Asia, 1994.
Author(s): H.A. Haenni, K. Schmetzer
Structural and chemical investigations on shells and pearls of nacre-forming saltwater and freshwater bivalve molluscs
Author(s) : -
Date : 1994
Tags : Cultured Pearls / Freshwater / Natural Pearls / Pearl Analysis / Pearls / Radiography / Saltwater
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
Rissfuellungen bei Diamanten – Les diamants traités
Author(s) : -
Date : 1993
Rissfuellungen bei Diamanten – Les diamants traités. Published in 1993.
Author(s): E.P. Jegge
Spectroscopy and its application in gemmology
Author(s) : -
Date : 1993
Tags : Gemmology / Spectroscopy
Spectroscopy and its application in gemmology. Published in 1993.
Author(s): H.A. Haenni
Das strahlende Blau der behandelten Topase
Author(s) : -
Date : 1993
Das strahlende Blau der behandelten Topase. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1993.
Author(s): M. Huegi
Why epoxy-filled emeralds must be accepted
Author(s) : -
Date : 1993
Tags : Artificial Resin / Canada Balsam / Emeralds / Epoxy / Fissure Filling / Gemmology / Oil / Treatment
Why epoxy-filled emeralds must be accepted. Published in 1993.
Author(s): H.A. Haenni
Origin determination for gemstones: possibilities, restrictions, reliability
Author(s) : -
Date : 1993
Origin determination for gemstones: possibilities, restrictions, reliability. Published in 1993.
Author(s): H.A. Haenni