The Beryl Group – an Overview
Author(s) : -
Date : 2020
The Beryl Group – an Overview. Published in Journal of the Gemmological Association of Hong Kong GAHK, 2020, Volume XLI, 48-54.
Download PDF
Posts of : H.A. Haenni
Gemstones of the Garnet Group – about mixed crystals and solid solution
Author(s) : -
Date : 2019
Gemstones of the Garnet Group – about mixed crystals and solid solution. Published in Journal of the Gemmological Association of Hong Kong GAHK, 2019, Volume XL, 36-49.
GemTOF: A new and highly versatile method to analyse trace elements and isotopes of gemstones and pearls
Author(s) : -
Date : 2017
GemTOF: A new and highly versatile method to analyse trace elements and isotopes of gemstones and pearls. Published in IGC Namibia 2017 Abstract Proceedings, 88-90.
Author(s): M.S. Krzemnicki, W.A. Balmer, H.A.O. Wang, J.-P. Chalain, P. Lefevre, W. Zhou, L.E. Cartier, H.A. Haenni
Black Pearls – Grey Pearls
Author(s) : -
Date : 2017
Black Pearls – Grey Pearls. Published in Journal of Gemmological Association of Hong Kong GAHK, 2017, 38, 32-24.
Author(s): H.A. Haenni
Diamond testers with a limited performance
Author(s) : -
Date : 2017
Diamond testers with a limited performance. Published in Journal of Gemmological Association of Hong Kong GAHK, 2017, 38, 37-39.
Author(s): H.A. Haenni
Traceability of gemstones: challenges and opportunities
Author(s) : -
Date : 2017
Traceability of gemstones: challenges and opportunities. Published in IGC 2017 Namibia Abstract Proceedings, 140-141.
Author(s): L.E. Cartier, M.S. Krzemnicki, H.A.O. Wang, H.A. Haenni
Sannan-Skarn, ein neuer Schmuckstein aus Pakistan
Author(s) : -
Date : 2016
Sannan-Skarn, ein neuer Schmuckstein aus Pakistan – Sannan-skarn, a new gemstone from Pakistan. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2016, 65, 1-2, 41-46.
Author(s): H.A. Haenni, L. Franz
Zircon – A very old gemstone
Author(s) : -
Date : 2016
Tags : Zircon
Zircon – A very old gemstone. Published in Journal of Gemmological Association of Hong Kong GAHK, 2016, 37, 37-41.
Author(s): H.A. Haenni
Modern Doublets from Germany and India
Author(s) : -
Date : 2015
Tags : Doublets / Imitations
Modern Doublets from Germany and India. Published in Journal of Gemmology, 2015, 34, 6, 479-481.
Author(s): H.A. Haenni, U. Henn
X-ray Phase Contrast and X-ray Scattering Images of Pearls
Author(s) : -
Date : 2015
X-ray Phase Contrast and X-ray Scattering Images of Pearls. Published in IGC 34 Lithuania Abstract Proceedings, 117-120.
Author(s): M.S. Krzemnicki, V. Revol, C. Hanser, L.E. Cartier, H.A. Haenni