A New Type of Emerald from Afghanistan’s Panjshir Valley. Published in Journal of Gemmology, 2021, 37 (5), 474-495.
Multi-element analysis of minerals using laser ablation inductively coupled plasma time of flight mass spectrometry and geochemical data visualization using t-distributed stochastic neighbor embedding: case study on emeralds. Published in Journal of Analytical Atomic Spectrometry, 2021, https://doi.org/10.1039/D0JA00484G
Gemmological investigations on pearls and emeralds using neutron imaging. Published in Physics Procedia, 88, 134-139
Author(s): D. Mannes, C. Hanser, M.S. Krzemnicki, R.P. Harti, I. Jerjen, E. Lehmann
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? Published in Journal of Gemmological Association of Hong Kong GAHK, 2015, 35, 46-49.
Author(s): M.S. Krzemnicki, L.E. Cartier, W. Zhou
2012 Christie’s expert lecture by Dr. Michael Krzemnicki on exceptional coloured gemstones and natural pearls.
Identification of filler substances in emeralds by infrared and Raman spectroscopy. Published in Journal of Gemmology, 1999.
Author(s): H.A. Haenni
Fracture filling in emeralds and its detection with laboratory methods. Published in ICA Gazette, 1998.
Author(s): H.A. Haenni
How to identify fillings in emeralds using Raman spectroscopy. Published in Jewellery News Asia, 1996.
Author(s): H.A. Haenni, L. Kiefert, J.-P. Chalain
Why epoxy-filled emeralds must be accepted. Published in 1993.
Author(s): H.A. Haenni