Emeralds and the saga of cleaning and filling fissures
Emeralds and the saga of cleaning and filling fissures. Facette (2017) Author(s): M.S. Krzemnicki
Case study on an emerald bead: Is it from the ancient mines in Egypt or not?
Case study on an emerald bead: Is it from the ancient mines in Egypt or not? Published in Journal of Gemmological Association of Hong Kong GAHK, 2015, 35, 46-49. Author(s): M.S. Krzemnicki, L.E. Cartier, W. Zhou
Colourful Treasures of Nature: Ruby, Sapphire, Emerald & Pearls (2012)
2012 Christie’s expert lecture by Dr. Michael Krzemnicki on exceptional coloured gemstones and natural pearls.
Asterism in beryl, aquamarine and emerald- an update
Asterism in beryl, aquamarine and emerald- an update. Published in Journal of Gemmology, 2004. Author(s): K. Schmetzer, L. Kiefert, H.A. Haenni
Der Binntal Smaragd als Juwel
Der Binntal Smaragd als Juwel. Published in Schweizer Strahler, 2003. Author(s): M.S. Krzemnicki, G. Bosshart
Les nouvelles mines d’émeraudes de la Pita (Colombie)
Les nouvelles mines d’émeraudes de la Pita (Colombie). Published in Revue A.F.G. by Fritsch et al (2002)
Emerald treatments: their effects and how to recognize them
Emerald treatments: their effects and how to recognize them. Published in 2001. Author(s): L. Kiefert
Behandlungen von Smaragd
Behandlungen von Smaragd. Published in 2001. Author(s): L. Kiefert
Multicomponent inclusions in Nacken synthetic emeralds
Multicomponent inclusions in Nacken synthetic emeralds. Published in Journal of Gemmology, 1999. Author(s): K. Schmetzer, L. Kiefert, H.-J. Bernhardt
Identification of filler substances in emeralds by infrared and Raman spectroscopy
Identification of filler substances in emeralds by infrared and Raman spectroscopy. Published in Journal of Gemmology, 1999. Author(s): H.A. Haenni