Analysis of rubies with corroded surfaces
Analysis of rubies with corroded surfaces. Journal of Gemmological Association of Hong Kong (2011) Author(s): M.S. Krzemnicki
Nouveautés sur le marché: rubis de Montepuez, Mozambique
Nouveautés sur le marché: rubis de Montepuez, Mozambique. Published in GoldOr, 2009. Author(s): M.S. Krzemnicki
Neu im Handel: Rubine aus Montepuez, Mosambik
Neu im Handel: Rubine aus Montepuez, Mosambik. Published in GoldOr, 2009. Author(s): M.S. Krzemnicki
New rubies from Montepuez, Mozambique
New rubies from Montepuez, Mozambique. Published in Jewellery News Asia, 2009. Author(s): M.S. Krzemnicki
New Tanzania mine uncovers source of exceptional rubies
New Tanzania mine uncovers source of exceptional rubies. Published in InColor, 2008. Author(s): M.S. Krzemnicki, H.A. Haenni
New rubies from central Tanzania
New rubies from central Tanzania. Published in Gems & Gemology, 2008. Author(s): H.A. Haenni
Observations on treated ruby and sapphire
Observations on treated ruby and sapphire. Published in Taiwan Jewellery World Magazine, 2006. Author(s): H.A. Haenni
Rubine aus neuen Vorkommen in Madagaskar
Rubine aus neuen Vorkommen in Madagaskar. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2001. Author(s): H.A. Haenni, C.C. Milisenda, U. Henn
Beobachtungen an hitzebehandeltem Rubin mit künstlicher Rissheilung
Beobachtungen an hitzebehandeltem Rubin mit künstlicher Rissheilung. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 2001. Author(s): H.A. Haenni
Element mapping of trapiche rubies
Element mapping of trapiche rubies. Published in Journal of Gemmology, 1999. Author(s): K. Schmetzer, Z. Beili, G. Yan, H.-J. Bernhardt, H.A. Haenni