Gem-quality taafeeites and musgravites from Africa. Published in Journal of Gemmology, 2007.
Author(s): K. Schmetzer, M.S. Krzemnicki, H.A. Haenni, H.-J. Bernhardt, T. Pettke
Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LAICPMS), a new method for gemstone analysis. Published in GAHK Journal, 2007.
Author(s): M.S. Krzemnicki, T. Pettke, H.A. Haenni
Perspectives of LIBS in gemstone testing Analysis of light elements such as beryllium, boron, lithium. Published in GIT Proceedings, 2006.
Author(s): M.S. Krzemnicki, T. Pettke, 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